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Finding the Fourth Proportional to 502,401.90, 753,384.15 and 165,312.30

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Solution

The fourth proportional to 502,401.90, 753,384.15 and 165,312.30 is: 247,896.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,401.90 : 753,384.15 = 165,312.30 : x
  2. Step 2: Convert to fraction form
    502,401.90/753,384.15 = 165,312.30/x
  3. Step 3: Cross multiply
    502,401.90x = 753,384.15 × 165,312.30
  4. Step 4: Simplify right side
    502,401.90x = 124,543,666,620.05
  5. Step 5: Solve for x
    x = 124,543,666,620.05/502,401.90
  6. Step 6: Final answer
    x = 247,896.49

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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.