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Finding the Fourth Proportional to 531,612.52, 732,921.06 and 429,523.72

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Solution

The fourth proportional to 531,612.52, 732,921.06 and 429,523.72 is: 592,173.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,612.52 : 732,921.06 = 429,523.72 : x
  2. Step 2: Convert to fraction form
    531,612.52/732,921.06 = 429,523.72/x
  3. Step 3: Cross multiply
    531,612.52x = 732,921.06 × 429,523.72
  4. Step 4: Simplify right side
    531,612.52x = 314,806,980,157.54
  5. Step 5: Solve for x
    x = 314,806,980,157.54/531,612.52
  6. Step 6: Final answer
    x = 592,173.75

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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.