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Finding the Fourth Proportional to 541,168.49, 812,032.72 and 392,634.74

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Solution

The fourth proportional to 541,168.49, 812,032.72 and 392,634.74 is: 589,155.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,168.49 : 812,032.72 = 392,634.74 : x
  2. Step 2: Convert to fraction form
    541,168.49/812,032.72 = 392,634.74/x
  3. Step 3: Cross multiply
    541,168.49x = 812,032.72 × 392,634.74
  4. Step 4: Simplify right side
    541,168.49x = 318,832,258,041.47
  5. Step 5: Solve for x
    x = 318,832,258,041.47/541,168.49
  6. Step 6: Final answer
    x = 589,155.25

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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.