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Finding the Fourth Proportional to 444,259.19, 665,329.46 and 283,830.45

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Solution

The fourth proportional to 444,259.19, 665,329.46 and 283,830.45 is: 425,068.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,259.19 : 665,329.46 = 283,830.45 : x
  2. Step 2: Convert to fraction form
    444,259.19/665,329.46 = 283,830.45/x
  3. Step 3: Cross multiply
    444,259.19x = 665,329.46 × 283,830.45
  4. Step 4: Simplify right side
    444,259.19x = 188,840,756,115.92
  5. Step 5: Solve for x
    x = 188,840,756,115.92/444,259.19
  6. Step 6: Final answer
    x = 425,068.88

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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.