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Finding the Fourth Proportional to 478,167.68, 659,870.33 and 260,372.97

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Solution

The fourth proportional to 478,167.68, 659,870.33 and 260,372.97 is: 359,314.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,167.68 : 659,870.33 = 260,372.97 : x
  2. Step 2: Convert to fraction form
    478,167.68/659,870.33 = 260,372.97/x
  3. Step 3: Cross multiply
    478,167.68x = 659,870.33 × 260,372.97
  4. Step 4: Simplify right side
    478,167.68x = 171,812,397,636.98
  5. Step 5: Solve for x
    x = 171,812,397,636.98/478,167.68
  6. Step 6: Final answer
    x = 359,314.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.