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Finding the Fourth Proportional to 475,816.50, 656,566.29 and 260,900.01

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Solution

The fourth proportional to 475,816.50, 656,566.29 and 260,900.01 is: 360,008.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,816.50 : 656,566.29 = 260,900.01 : x
  2. Step 2: Convert to fraction form
    475,816.50/656,566.29 = 260,900.01/x
  3. Step 3: Cross multiply
    475,816.50x = 656,566.29 × 260,900.01
  4. Step 4: Simplify right side
    475,816.50x = 171,298,151,626.66
  5. Step 5: Solve for x
    x = 171,298,151,626.66/475,816.50
  6. Step 6: Final answer
    x = 360,008.85

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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.