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Finding the Fourth Proportional to 475,585.02, 656,274.96 and 260,680.68

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Solution

The fourth proportional to 475,585.02, 656,274.96 and 260,680.68 is: 359,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,585.02 : 656,274.96 = 260,680.68 : x
  2. Step 2: Convert to fraction form
    475,585.02/656,274.96 = 260,680.68/x
  3. Step 3: Cross multiply
    475,585.02x = 656,274.96 × 260,680.68
  4. Step 4: Simplify right side
    475,585.02x = 171,078,202,839.77
  5. Step 5: Solve for x
    x = 171,078,202,839.77/475,585.02
  6. Step 6: Final answer
    x = 359,721.60

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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.