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Finding the Fourth Proportional to 375,193.34, 517,766.70 and 203,111.18

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Solution

The fourth proportional to 375,193.34, 517,766.70 and 203,111.18 is: 280,293.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,193.34 : 517,766.70 = 203,111.18 : x
  2. Step 2: Convert to fraction form
    375,193.34/517,766.70 = 203,111.18/x
  3. Step 3: Cross multiply
    375,193.34x = 517,766.70 × 203,111.18
  4. Step 4: Simplify right side
    375,193.34x = 105,164,205,401.71
  5. Step 5: Solve for x
    x = 105,164,205,401.71/375,193.34
  6. Step 6: Final answer
    x = 280,293.37

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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.