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Finding the Fourth Proportional to 541,349.02, 812,303.52 and 392,813.92

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Solution

The fourth proportional to 541,349.02, 812,303.52 and 392,813.92 is: 589,424.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,349.02 : 812,303.52 = 392,813.92 : x
  2. Step 2: Convert to fraction form
    541,349.02/812,303.52 = 392,813.92/x
  3. Step 3: Cross multiply
    541,349.02x = 812,303.52 × 392,813.92
  4. Step 4: Simplify right side
    541,349.02x = 319,084,123,895.41
  5. Step 5: Solve for x
    x = 319,084,123,895.41/541,349.02
  6. Step 6: Final answer
    x = 589,424.04

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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.