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Finding the Fourth Proportional to 247,442.58, 341,451.99 and 145,472.22

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Solution

The fourth proportional to 247,442.58, 341,451.99 and 145,472.22 is: 200,740.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,442.58 : 341,451.99 = 145,472.22 : x
  2. Step 2: Convert to fraction form
    247,442.58/341,451.99 = 145,472.22/x
  3. Step 3: Cross multiply
    247,442.58x = 341,451.99 × 145,472.22
  4. Step 4: Simplify right side
    247,442.58x = 49,671,779,008.72
  5. Step 5: Solve for x
    x = 49,671,779,008.72/247,442.58
  6. Step 6: Final answer
    x = 200,740.63

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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.