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Finding the Fourth Proportional to 340,363.80, 510,545.70 and 163,216.80

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Solution

The fourth proportional to 340,363.80, 510,545.70 and 163,216.80 is: 244,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,363.80 : 510,545.70 = 163,216.80 : x
  2. Step 2: Convert to fraction form
    340,363.80/510,545.70 = 163,216.80/x
  3. Step 3: Cross multiply
    340,363.80x = 510,545.70 × 163,216.80
  4. Step 4: Simplify right side
    340,363.80x = 83,329,635,407.76
  5. Step 5: Solve for x
    x = 83,329,635,407.76/340,363.80
  6. Step 6: Final answer
    x = 244,825.20

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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.