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Finding the Fourth Proportional to 541,779.65, 813,001.64 and 242,513.27

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Solution

The fourth proportional to 541,779.65, 813,001.64 and 242,513.27 is: 363,918.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,779.65 : 813,001.64 = 242,513.27 : x
  2. Step 2: Convert to fraction form
    541,779.65/813,001.64 = 242,513.27/x
  3. Step 3: Cross multiply
    541,779.65x = 813,001.64 × 242,513.27
  4. Step 4: Simplify right side
    541,779.65x = 197,163,680,954.19
  5. Step 5: Solve for x
    x = 197,163,680,954.19/541,779.65
  6. Step 6: Final answer
    x = 363,918.58

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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.