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Finding the Fourth Proportional to 426,062.56, 587,984.12 and 235,088.32

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Solution

The fourth proportional to 426,062.56, 587,984.12 and 235,088.32 is: 324,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,062.56 : 587,984.12 = 235,088.32 : x
  2. Step 2: Convert to fraction form
    426,062.56/587,984.12 = 235,088.32/x
  3. Step 3: Cross multiply
    426,062.56x = 587,984.12 × 235,088.32
  4. Step 4: Simplify right side
    426,062.56x = 138,228,198,957.48
  5. Step 5: Solve for x
    x = 138,228,198,957.48/426,062.56
  6. Step 6: Final answer
    x = 324,431.70

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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.