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Finding the Fourth Proportional to 554,687.20, 832,030.80 and 532,914.40

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Solution

The fourth proportional to 554,687.20, 832,030.80 and 532,914.40 is: 799,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,687.20 : 832,030.80 = 532,914.40 : x
  2. Step 2: Convert to fraction form
    554,687.20/832,030.80 = 532,914.40/x
  3. Step 3: Cross multiply
    554,687.20x = 832,030.80 × 532,914.40
  4. Step 4: Simplify right side
    554,687.20x = 443,401,194,563.52
  5. Step 5: Solve for x
    x = 443,401,194,563.52/554,687.20
  6. Step 6: Final answer
    x = 799,371.60

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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.