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Finding the Fourth Proportional to 659,064.04, 909,487.56 and 372,567.04

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Solution

The fourth proportional to 659,064.04, 909,487.56 and 372,567.04 is: 514,130.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,064.04 : 909,487.56 = 372,567.04 : x
  2. Step 2: Convert to fraction form
    659,064.04/909,487.56 = 372,567.04/x
  3. Step 3: Cross multiply
    659,064.04x = 909,487.56 × 372,567.04
  4. Step 4: Simplify right side
    659,064.04x = 338,845,088,146.02
  5. Step 5: Solve for x
    x = 338,845,088,146.02/659,064.04
  6. Step 6: Final answer
    x = 514,130.75

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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.