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Finding the Fourth Proportional to 425,404.68, 587,071.02 and 234,430.32

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Solution

The fourth proportional to 425,404.68, 587,071.02 and 234,430.32 is: 323,520.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,404.68 : 587,071.02 = 234,430.32 : x
  2. Step 2: Convert to fraction form
    425,404.68/587,071.02 = 234,430.32/x
  3. Step 3: Cross multiply
    425,404.68x = 587,071.02 × 234,430.32
  4. Step 4: Simplify right side
    425,404.68x = 137,627,247,081.33
  5. Step 5: Solve for x
    x = 137,627,247,081.33/425,404.68
  6. Step 6: Final answer
    x = 323,520.76

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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.