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Finding the Fourth Proportional to 619,701.60, 929,552.40 and 619,701.60

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Solution

The fourth proportional to 619,701.60, 929,552.40 and 619,701.60 is: 929,552.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,701.60 : 929,552.40 = 619,701.60 : x
  2. Step 2: Convert to fraction form
    619,701.60/929,552.40 = 619,701.60/x
  3. Step 3: Cross multiply
    619,701.60x = 929,552.40 × 619,701.60
  4. Step 4: Simplify right side
    619,701.60x = 576,045,109,563.84
  5. Step 5: Solve for x
    x = 576,045,109,563.84/619,701.60
  6. Step 6: Final answer
    x = 929,552.40

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.