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Finding the Fourth Proportional to 584,545.60, 806,586.40 and 354,983.44

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Solution

The fourth proportional to 584,545.60, 806,586.40 and 354,983.44 is: 489,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,545.60 : 806,586.40 = 354,983.44 : x
  2. Step 2: Convert to fraction form
    584,545.60/806,586.40 = 354,983.44/x
  3. Step 3: Cross multiply
    584,545.60x = 806,586.40 × 354,983.44
  4. Step 4: Simplify right side
    584,545.60x = 286,324,814,929.22
  5. Step 5: Solve for x
    x = 286,324,814,929.22/584,545.60
  6. Step 6: Final answer
    x = 489,824.60

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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.