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Finding the Fourth Proportional to 344,647.50, 517,008.33 and 144,988.20

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Solution

The fourth proportional to 344,647.50, 517,008.33 and 144,988.20 is: 217,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,647.50 : 517,008.33 = 144,988.20 : x
  2. Step 2: Convert to fraction form
    344,647.50/517,008.33 = 144,988.20/x
  3. Step 3: Cross multiply
    344,647.50x = 517,008.33 × 144,988.20
  4. Step 4: Simplify right side
    344,647.50x = 74,960,107,151.71
  5. Step 5: Solve for x
    x = 74,960,107,151.71/344,647.50
  6. Step 6: Final answer
    x = 217,497.90

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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.