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Finding the Fourth Proportional to 924,288.64, 1,275,502.08 and 516,364

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Solution

The fourth proportional to 924,288.64, 1,275,502.08 and 516,364 is: 712,573.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,288.64 : 1,275,502.08 = 516,364 : x
  2. Step 2: Convert to fraction form
    924,288.64/1,275,502.08 = 516,364/x
  3. Step 3: Cross multiply
    924,288.64x = 1,275,502.08 × 516,364
  4. Step 4: Simplify right side
    924,288.64x = 658,623,356,037.12
  5. Step 5: Solve for x
    x = 658,623,356,037.12/924,288.64
  6. Step 6: Final answer
    x = 712,573.25

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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.