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Finding the Fourth Proportional to 356,545.26, 533,612.31 and 346,949.80

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Solution

The fourth proportional to 356,545.26, 533,612.31 and 346,949.80 is: 519,251.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,545.26 : 533,612.31 = 346,949.80 : x
  2. Step 2: Convert to fraction form
    356,545.26/533,612.31 = 346,949.80/x
  3. Step 3: Cross multiply
    356,545.26x = 533,612.31 × 346,949.80
  4. Step 4: Simplify right side
    356,545.26x = 185,136,684,899.05
  5. Step 5: Solve for x
    x = 185,136,684,899.05/356,545.26
  6. Step 6: Final answer
    x = 519,251.56

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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.