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Finding the Fourth Proportional to 669,580, 924,380.22 and 516,282.24

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Solution

The fourth proportional to 669,580, 924,380.22 and 516,282.24 is: 712,746.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,580 : 924,380.22 = 516,282.24 : x
  2. Step 2: Convert to fraction form
    669,580/924,380.22 = 516,282.24/x
  3. Step 3: Cross multiply
    669,580x = 924,380.22 × 516,282.24
  4. Step 4: Simplify right side
    669,580x = 477,241,090,593.29
  5. Step 5: Solve for x
    x = 477,241,090,593.29/669,580
  6. Step 6: Final answer
    x = 712,746.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.