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Finding the Fourth Proportional to 475,393.74, 656,044.29 and 260,541.78

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Solution

The fourth proportional to 475,393.74, 656,044.29 and 260,541.78 is: 359,548.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,393.74 : 656,044.29 = 260,541.78 : x
  2. Step 2: Convert to fraction form
    475,393.74/656,044.29 = 260,541.78/x
  3. Step 3: Cross multiply
    475,393.74x = 656,044.29 × 260,541.78
  4. Step 4: Simplify right side
    475,393.74x = 170,926,947,075.44
  5. Step 5: Solve for x
    x = 170,926,947,075.44/475,393.74
  6. Step 6: Final answer
    x = 359,548.17

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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.