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Finding the Fourth Proportional to 475,462.72, 656,110.08 and 260,560

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Solution

The fourth proportional to 475,462.72, 656,110.08 and 260,560 is: 359,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,462.72 : 656,110.08 = 260,560 : x
  2. Step 2: Convert to fraction form
    475,462.72/656,110.08 = 260,560/x
  3. Step 3: Cross multiply
    475,462.72x = 656,110.08 × 260,560
  4. Step 4: Simplify right side
    475,462.72x = 170,956,042,444.80
  5. Step 5: Solve for x
    x = 170,956,042,444.80/475,462.72
  6. Step 6: Final answer
    x = 359,557.20

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