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Finding the Fourth Proportional to 659,351.98, 909,925.55 and 372,866.32

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Solution

The fourth proportional to 659,351.98, 909,925.55 and 372,866.32 is: 514,566.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,351.98 : 909,925.55 = 372,866.32 : x
  2. Step 2: Convert to fraction form
    659,351.98/909,925.55 = 372,866.32/x
  3. Step 3: Cross multiply
    659,351.98x = 909,925.55 × 372,866.32
  4. Step 4: Simplify right side
    659,351.98x = 339,280,591,302.48
  5. Step 5: Solve for x
    x = 339,280,591,302.48/659,351.98
  6. Step 6: Final answer
    x = 514,566.73

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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.