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Finding the Fourth Proportional to 416,368.76, 574,588.42 and 225,382.10

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Solution

The fourth proportional to 416,368.76, 574,588.42 and 225,382.10 is: 311,027.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,368.76 : 574,588.42 = 225,382.10 : x
  2. Step 2: Convert to fraction form
    416,368.76/574,588.42 = 225,382.10/x
  3. Step 3: Cross multiply
    416,368.76x = 574,588.42 × 225,382.10
  4. Step 4: Simplify right side
    416,368.76x = 129,501,941,298.89
  5. Step 5: Solve for x
    x = 129,501,941,298.89/416,368.76
  6. Step 6: Final answer
    x = 311,027.04

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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.