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Finding the Fourth Proportional to 475,761.06, 656,559.29 and 260,888.31

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Solution

The fourth proportional to 475,761.06, 656,559.29 and 260,888.31 is: 360,030.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,761.06 : 656,559.29 = 260,888.31 : x
  2. Step 2: Convert to fraction form
    475,761.06/656,559.29 = 260,888.31/x
  3. Step 3: Cross multiply
    475,761.06x = 656,559.29 × 260,888.31
  4. Step 4: Simplify right side
    475,761.06x = 171,288,642,278.46
  5. Step 5: Solve for x
    x = 171,288,642,278.46/475,761.06
  6. Step 6: Final answer
    x = 360,030.82

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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.