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Finding the Fourth Proportional to 475,385.48, 656,039.22 and 260,523.80

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Solution

The fourth proportional to 475,385.48, 656,039.22 and 260,523.80 is: 359,526.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,385.48 : 656,039.22 = 260,523.80 : x
  2. Step 2: Convert to fraction form
    475,385.48/656,039.22 = 260,523.80/x
  3. Step 3: Cross multiply
    475,385.48x = 656,039.22 × 260,523.80
  4. Step 4: Simplify right side
    475,385.48x = 170,913,830,543.44
  5. Step 5: Solve for x
    x = 170,913,830,543.44/475,385.48
  6. Step 6: Final answer
    x = 359,526.82

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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.