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Finding the Fourth Proportional to 587,813.40, 881,720.10 and 307,416.60

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Solution

The fourth proportional to 587,813.40, 881,720.10 and 307,416.60 is: 461,124.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,813.40 : 881,720.10 = 307,416.60 : x
  2. Step 2: Convert to fraction form
    587,813.40/881,720.10 = 307,416.60/x
  3. Step 3: Cross multiply
    587,813.40x = 881,720.10 × 307,416.60
  4. Step 4: Simplify right side
    587,813.40x = 271,055,395,293.66
  5. Step 5: Solve for x
    x = 271,055,395,293.66/587,813.40
  6. Step 6: Final answer
    x = 461,124.90

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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.