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Finding the Fourth Proportional to 867,609.60, 1,301,414.40 and 569,971.20

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Solution

The fourth proportional to 867,609.60, 1,301,414.40 and 569,971.20 is: 854,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,609.60 : 1,301,414.40 = 569,971.20 : x
  2. Step 2: Convert to fraction form
    867,609.60/1,301,414.40 = 569,971.20/x
  3. Step 3: Cross multiply
    867,609.60x = 1,301,414.40 × 569,971.20
  4. Step 4: Simplify right side
    867,609.60x = 741,768,727,265.28
  5. Step 5: Solve for x
    x = 741,768,727,265.28/867,609.60
  6. Step 6: Final answer
    x = 854,956.80

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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.