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Finding the Fourth Proportional to 523,348.80, 734,347.20 and 523,348.80

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Solution

The fourth proportional to 523,348.80, 734,347.20 and 523,348.80 is: 734,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,348.80 : 734,347.20 = 523,348.80 : x
  2. Step 2: Convert to fraction form
    523,348.80/734,347.20 = 523,348.80/x
  3. Step 3: Cross multiply
    523,348.80x = 734,347.20 × 523,348.80
  4. Step 4: Simplify right side
    523,348.80x = 384,319,725,903.36
  5. Step 5: Solve for x
    x = 384,319,725,903.36/523,348.80
  6. Step 6: Final answer
    x = 734,347.20

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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.