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Finding the Fourth Proportional to 657,732.99, 907,055.54 and 436,579.16

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Solution

The fourth proportional to 657,732.99, 907,055.54 and 436,579.16 is: 602,070.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,732.99 : 907,055.54 = 436,579.16 : x
  2. Step 2: Convert to fraction form
    657,732.99/907,055.54 = 436,579.16/x
  3. Step 3: Cross multiply
    657,732.99x = 907,055.54 × 436,579.16
  4. Step 4: Simplify right side
    657,732.99x = 396,001,545,726.55
  5. Step 5: Solve for x
    x = 396,001,545,726.55/657,732.99
  6. Step 6: Final answer
    x = 602,070.37

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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.