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Finding the Fourth Proportional to 587,634.30, 881,451.45 and 483,954.30

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Solution

The fourth proportional to 587,634.30, 881,451.45 and 483,954.30 is: 725,931.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,634.30 : 881,451.45 = 483,954.30 : x
  2. Step 2: Convert to fraction form
    587,634.30/881,451.45 = 483,954.30/x
  3. Step 3: Cross multiply
    587,634.30x = 881,451.45 × 483,954.30
  4. Step 4: Simplify right side
    587,634.30x = 426,582,219,468.74
  5. Step 5: Solve for x
    x = 426,582,219,468.74/587,634.30
  6. Step 6: Final answer
    x = 725,931.45

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Double scale
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Similar ratio
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1.5x scale

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.