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Finding the Fourth Proportional to 417,500.87, 626,249.61 and 151,199.19

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Solution

The fourth proportional to 417,500.87, 626,249.61 and 151,199.19 is: 226,798.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,500.87 : 626,249.61 = 151,199.19 : x
  2. Step 2: Convert to fraction form
    417,500.87/626,249.61 = 151,199.19/x
  3. Step 3: Cross multiply
    417,500.87x = 626,249.61 × 151,199.19
  4. Step 4: Simplify right side
    417,500.87x = 94,688,433,769.82
  5. Step 5: Solve for x
    x = 94,688,433,769.82/417,500.87
  6. Step 6: Final answer
    x = 226,798.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.