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Finding the Fourth Proportional to 293,125.44, 439,720 and 93,398.88

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Solution

The fourth proportional to 293,125.44, 439,720 and 93,398.88 is: 140,108.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,125.44 : 439,720 = 93,398.88 : x
  2. Step 2: Convert to fraction form
    293,125.44/439,720 = 93,398.88/x
  3. Step 3: Cross multiply
    293,125.44x = 439,720 × 93,398.88
  4. Step 4: Simplify right side
    293,125.44x = 41,069,355,513.60
  5. Step 5: Solve for x
    x = 41,069,355,513.60/293,125.44
  6. Step 6: Final answer
    x = 140,108.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.