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Finding the Fourth Proportional to 554,920.20, 832,380.30 and 533,147.40

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Solution

The fourth proportional to 554,920.20, 832,380.30 and 533,147.40 is: 799,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,920.20 : 832,380.30 = 533,147.40 : x
  2. Step 2: Convert to fraction form
    554,920.20/832,380.30 = 533,147.40/x
  3. Step 3: Cross multiply
    554,920.20x = 832,380.30 × 533,147.40
  4. Step 4: Simplify right side
    554,920.20x = 443,781,392,756.22
  5. Step 5: Solve for x
    x = 443,781,392,756.22/554,920.20
  6. Step 6: Final answer
    x = 799,721.10

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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.