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Finding the Fourth Proportional to 663,750.59, 994,225.98 and 450,649.31

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Solution

The fourth proportional to 663,750.59, 994,225.98 and 450,649.31 is: 675,023.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,750.59 : 994,225.98 = 450,649.31 : x
  2. Step 2: Convert to fraction form
    663,750.59/994,225.98 = 450,649.31/x
  3. Step 3: Cross multiply
    663,750.59x = 994,225.98 × 450,649.31
  4. Step 4: Simplify right side
    663,750.59x = 448,047,251,871.07
  5. Step 5: Solve for x
    x = 448,047,251,871.07/663,750.59
  6. Step 6: Final answer
    x = 675,023.51

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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.