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Finding the Fourth Proportional to 522,089.68, 720,534.48 and 292,685.92

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Solution

The fourth proportional to 522,089.68, 720,534.48 and 292,685.92 is: 403,935.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,089.68 : 720,534.48 = 292,685.92 : x
  2. Step 2: Convert to fraction form
    522,089.68/720,534.48 = 292,685.92/x
  3. Step 3: Cross multiply
    522,089.68x = 720,534.48 × 292,685.92
  4. Step 4: Simplify right side
    522,089.68x = 210,890,297,170.52
  5. Step 5: Solve for x
    x = 210,890,297,170.52/522,089.68
  6. Step 6: Final answer
    x = 403,935.00

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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.