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Finding the Fourth Proportional to 587,585.10, 881,406.45 and 307,649.10

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Solution

The fourth proportional to 587,585.10, 881,406.45 and 307,649.10 is: 461,488.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,585.10 : 881,406.45 = 307,649.10 : x
  2. Step 2: Convert to fraction form
    587,585.10/881,406.45 = 307,649.10/x
  3. Step 3: Cross multiply
    587,585.10x = 881,406.45 × 307,649.10
  4. Step 4: Simplify right side
    587,585.10x = 271,163,901,076.70
  5. Step 5: Solve for x
    x = 271,163,901,076.70/587,585.10
  6. Step 6: Final answer
    x = 461,488.73

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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.