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Finding the Fourth Proportional to 579,363.60, 868,008.60 and 496,419.60

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Solution

The fourth proportional to 579,363.60, 868,008.60 and 496,419.60 is: 743,741.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,363.60 : 868,008.60 = 496,419.60 : x
  2. Step 2: Convert to fraction form
    579,363.60/868,008.60 = 496,419.60/x
  3. Step 3: Cross multiply
    579,363.60x = 868,008.60 × 496,419.60
  4. Step 4: Simplify right side
    579,363.60x = 430,896,482,008.56
  5. Step 5: Solve for x
    x = 430,896,482,008.56/579,363.60
  6. Step 6: Final answer
    x = 743,741.03

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Double scale
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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.