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Finding the Fourth Proportional to 694,363.60, 1,039,212.60 and 484,411.60

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Solution

The fourth proportional to 694,363.60, 1,039,212.60 and 484,411.60 is: 724,989.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,363.60 : 1,039,212.60 = 484,411.60 : x
  2. Step 2: Convert to fraction form
    694,363.60/1,039,212.60 = 484,411.60/x
  3. Step 3: Cross multiply
    694,363.60x = 1,039,212.60 × 484,411.60
  4. Step 4: Simplify right side
    694,363.60x = 503,406,638,306.16
  5. Step 5: Solve for x
    x = 503,406,638,306.16/694,363.60
  6. Step 6: Final answer
    x = 724,989.96

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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.