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Finding the Fourth Proportional to 587,343.60, 881,015.40 and 517,359.60

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Solution

The fourth proportional to 587,343.60, 881,015.40 and 517,359.60 is: 776,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,343.60 : 881,015.40 = 517,359.60 : x
  2. Step 2: Convert to fraction form
    587,343.60/881,015.40 = 517,359.60/x
  3. Step 3: Cross multiply
    587,343.60x = 881,015.40 × 517,359.60
  4. Step 4: Simplify right side
    587,343.60x = 455,801,774,937.84
  5. Step 5: Solve for x
    x = 455,801,774,937.84/587,343.60
  6. Step 6: Final answer
    x = 776,039.40

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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.