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Finding the Fourth Proportional to 522,049.60, 729,294.80 and 522,049.60

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Solution

The fourth proportional to 522,049.60, 729,294.80 and 522,049.60 is: 729,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,049.60 : 729,294.80 = 522,049.60 : x
  2. Step 2: Convert to fraction form
    522,049.60/729,294.80 = 522,049.60/x
  3. Step 3: Cross multiply
    522,049.60x = 729,294.80 × 522,049.60
  4. Step 4: Simplify right side
    522,049.60x = 380,728,058,622.08
  5. Step 5: Solve for x
    x = 380,728,058,622.08/522,049.60
  6. Step 6: Final answer
    x = 729,294.80

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.