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Finding the Fourth Proportional to 538,750.68, 808,130.04 and 239,150.71

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Solution

The fourth proportional to 538,750.68, 808,130.04 and 239,150.71 is: 358,727.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,750.68 : 808,130.04 = 239,150.71 : x
  2. Step 2: Convert to fraction form
    538,750.68/808,130.04 = 239,150.71/x
  3. Step 3: Cross multiply
    538,750.68x = 808,130.04 × 239,150.71
  4. Step 4: Simplify right side
    538,750.68x = 193,264,872,838.33
  5. Step 5: Solve for x
    x = 193,264,872,838.33/538,750.68
  6. Step 6: Final answer
    x = 358,727.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.