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Finding the Fourth Proportional to 363,411.16, 545,296.02 and 163,870.36

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Solution

The fourth proportional to 363,411.16, 545,296.02 and 163,870.36 is: 245,886.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,411.16 : 545,296.02 = 163,870.36 : x
  2. Step 2: Convert to fraction form
    363,411.16/545,296.02 = 163,870.36/x
  3. Step 3: Cross multiply
    363,411.16x = 545,296.02 × 163,870.36
  4. Step 4: Simplify right side
    363,411.16x = 89,357,855,103.97
  5. Step 5: Solve for x
    x = 89,357,855,103.97/363,411.16
  6. Step 6: Final answer
    x = 245,886.38

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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.