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Finding the Fourth Proportional to 598,279.20, 897,418.80 and 243,547.80

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Solution

The fourth proportional to 598,279.20, 897,418.80 and 243,547.80 is: 365,321.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,279.20 : 897,418.80 = 243,547.80 : x
  2. Step 2: Convert to fraction form
    598,279.20/897,418.80 = 243,547.80/x
  3. Step 3: Cross multiply
    598,279.20x = 897,418.80 × 243,547.80
  4. Step 4: Simplify right side
    598,279.20x = 218,564,374,418.64
  5. Step 5: Solve for x
    x = 218,564,374,418.64/598,279.20
  6. Step 6: Final answer
    x = 365,321.70

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Double scale
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Similar ratio
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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.