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Finding the Fourth Proportional to 475,605.41, 656,335.29 and 260,740.87

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Solution

The fourth proportional to 475,605.41, 656,335.29 and 260,740.87 is: 359,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,605.41 : 656,335.29 = 260,740.87 : x
  2. Step 2: Convert to fraction form
    475,605.41/656,335.29 = 260,740.87/x
  3. Step 3: Cross multiply
    475,605.41x = 656,335.29 × 260,740.87
  4. Step 4: Simplify right side
    475,605.41x = 171,133,431,244.63
  5. Step 5: Solve for x
    x = 171,133,431,244.63/475,605.41
  6. Step 6: Final answer
    x = 359,822.30

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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.