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Finding the Fourth Proportional to 554,686.20, 832,029.30 and 532,913.40

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Solution

The fourth proportional to 554,686.20, 832,029.30 and 532,913.40 is: 799,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,686.20 : 832,029.30 = 532,913.40 : x
  2. Step 2: Convert to fraction form
    554,686.20/832,029.30 = 532,913.40/x
  3. Step 3: Cross multiply
    554,686.20x = 832,029.30 × 532,913.40
  4. Step 4: Simplify right side
    554,686.20x = 443,399,563,162.62
  5. Step 5: Solve for x
    x = 443,399,563,162.62/554,686.20
  6. Step 6: Final answer
    x = 799,370.10

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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.