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Finding the Fourth Proportional to 475,672.50, 656,367.91 and 260,756.01

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Solution

The fourth proportional to 475,672.50, 656,367.91 and 260,756.01 is: 359,810.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,672.50 : 656,367.91 = 260,756.01 : x
  2. Step 2: Convert to fraction form
    475,672.50/656,367.91 = 260,756.01/x
  3. Step 3: Cross multiply
    475,672.50x = 656,367.91 × 260,756.01
  4. Step 4: Simplify right side
    475,672.50x = 171,151,876,651.75
  5. Step 5: Solve for x
    x = 171,151,876,651.75/475,672.50
  6. Step 6: Final answer
    x = 359,810.32

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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.