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Finding the Fourth Proportional to 576,923.60, 865,385.40 and 244,456.40

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Solution

The fourth proportional to 576,923.60, 865,385.40 and 244,456.40 is: 366,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,923.60 : 865,385.40 = 244,456.40 : x
  2. Step 2: Convert to fraction form
    576,923.60/865,385.40 = 244,456.40/x
  3. Step 3: Cross multiply
    576,923.60x = 865,385.40 × 244,456.40
  4. Step 4: Simplify right side
    576,923.60x = 211,548,999,496.56
  5. Step 5: Solve for x
    x = 211,548,999,496.56/576,923.60
  6. Step 6: Final answer
    x = 366,684.60

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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.