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Finding the Fourth Proportional to 499,425.51, 749,145.17 and 162,467.92

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Solution

The fourth proportional to 499,425.51, 749,145.17 and 162,467.92 is: 243,704.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,425.51 : 749,145.17 = 162,467.92 : x
  2. Step 2: Convert to fraction form
    499,425.51/749,145.17 = 162,467.92/x
  3. Step 3: Cross multiply
    499,425.51x = 749,145.17 × 162,467.92
  4. Step 4: Simplify right side
    499,425.51x = 121,712,057,547.95
  5. Step 5: Solve for x
    x = 121,712,057,547.95/499,425.51
  6. Step 6: Final answer
    x = 243,704.13

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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.