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Finding the Fourth Proportional to 416,423.85, 574,664.27 and 225,437.19

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Solution

The fourth proportional to 416,423.85, 574,664.27 and 225,437.19 is: 311,102.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,423.85 : 574,664.27 = 225,437.19 : x
  2. Step 2: Convert to fraction form
    416,423.85/574,664.27 = 225,437.19/x
  3. Step 3: Cross multiply
    416,423.85x = 574,664.27 × 225,437.19
  4. Step 4: Simplify right side
    416,423.85x = 129,550,697,095.02
  5. Step 5: Solve for x
    x = 129,550,697,095.02/416,423.85
  6. Step 6: Final answer
    x = 311,102.97

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1.5x scale

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.