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Finding the Fourth Proportional to 425,418.96, 587,050.50 and 234,432.36

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Solution

The fourth proportional to 425,418.96, 587,050.50 and 234,432.36 is: 323,501.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,418.96 : 587,050.50 = 234,432.36 : x
  2. Step 2: Convert to fraction form
    425,418.96/587,050.50 = 234,432.36/x
  3. Step 3: Cross multiply
    425,418.96x = 587,050.50 × 234,432.36
  4. Step 4: Simplify right side
    425,418.96x = 137,623,634,154.18
  5. Step 5: Solve for x
    x = 137,623,634,154.18/425,418.96
  6. Step 6: Final answer
    x = 323,501.41

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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.