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Finding the Fourth Proportional to 576,912.60, 865,368.90 and 244,445.40

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Solution

The fourth proportional to 576,912.60, 865,368.90 and 244,445.40 is: 366,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,912.60 : 865,368.90 = 244,445.40 : x
  2. Step 2: Convert to fraction form
    576,912.60/865,368.90 = 244,445.40/x
  3. Step 3: Cross multiply
    576,912.60x = 865,368.90 × 244,445.40
  4. Step 4: Simplify right side
    576,912.60x = 211,535,446,908.06
  5. Step 5: Solve for x
    x = 211,535,446,908.06/576,912.60
  6. Step 6: Final answer
    x = 366,668.10

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Similar ratio
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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.