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Finding the Fourth Proportional to 425,201.64, 586,803.48 and 243,912.24

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Solution

The fourth proportional to 425,201.64, 586,803.48 and 243,912.24 is: 336,613.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,201.64 : 586,803.48 = 243,912.24 : x
  2. Step 2: Convert to fraction form
    425,201.64/586,803.48 = 243,912.24/x
  3. Step 3: Cross multiply
    425,201.64x = 586,803.48 × 243,912.24
  4. Step 4: Simplify right side
    425,201.64x = 143,128,551,246.60
  5. Step 5: Solve for x
    x = 143,128,551,246.60/425,201.64
  6. Step 6: Final answer
    x = 336,613.36

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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.