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Finding the Fourth Proportional to 579,944.40, 869,657.40 and 224,840.40

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Solution

The fourth proportional to 579,944.40, 869,657.40 and 224,840.40 is: 337,160.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,944.40 : 869,657.40 = 224,840.40 : x
  2. Step 2: Convert to fraction form
    579,944.40/869,657.40 = 224,840.40/x
  3. Step 3: Cross multiply
    579,944.40x = 869,657.40 × 224,840.40
  4. Step 4: Simplify right side
    579,944.40x = 195,534,117,678.96
  5. Step 5: Solve for x
    x = 195,534,117,678.96/579,944.40
  6. Step 6: Final answer
    x = 337,160.11

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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.