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Finding the Fourth Proportional to 475,610.91, 656,342.88 and 260,746.38

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Solution

The fourth proportional to 475,610.91, 656,342.88 and 260,746.38 is: 359,829.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,610.91 : 656,342.88 = 260,746.38 : x
  2. Step 2: Convert to fraction form
    475,610.91/656,342.88 = 260,746.38/x
  3. Step 3: Cross multiply
    475,610.91x = 656,342.88 × 260,746.38
  4. Step 4: Simplify right side
    475,610.91x = 171,139,029,998.77
  5. Step 5: Solve for x
    x = 171,139,029,998.77/475,610.91
  6. Step 6: Final answer
    x = 359,829.91

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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.