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Finding the Fourth Proportional to 587,630.60, 811,098.38 and 346,053.30

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Solution

The fourth proportional to 587,630.60, 811,098.38 and 346,053.30 is: 477,652.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,630.60 : 811,098.38 = 346,053.30 : x
  2. Step 2: Convert to fraction form
    587,630.60/811,098.38 = 346,053.30/x
  3. Step 3: Cross multiply
    587,630.60x = 811,098.38 × 346,053.30
  4. Step 4: Simplify right side
    587,630.60x = 280,683,269,293.39
  5. Step 5: Solve for x
    x = 280,683,269,293.39/587,630.60
  6. Step 6: Final answer
    x = 477,652.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.