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Finding the Fourth Proportional to 309,019.28, 463,552.88 and 92,861.13

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Solution

The fourth proportional to 309,019.28, 463,552.88 and 92,861.13 is: 139,298.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,019.28 : 463,552.88 = 92,861.13 : x
  2. Step 2: Convert to fraction form
    309,019.28/463,552.88 = 92,861.13/x
  3. Step 3: Cross multiply
    309,019.28x = 463,552.88 × 92,861.13
  4. Step 4: Simplify right side
    309,019.28x = 43,046,044,135.48
  5. Step 5: Solve for x
    x = 43,046,044,135.48/309,019.28
  6. Step 6: Final answer
    x = 139,298.90

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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.