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Finding the Fourth Proportional to 649,053.81, 895,692.03 and 358,657.26

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Solution

The fourth proportional to 649,053.81, 895,692.03 and 358,657.26 is: 494,945.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,053.81 : 895,692.03 = 358,657.26 : x
  2. Step 2: Convert to fraction form
    649,053.81/895,692.03 = 358,657.26/x
  3. Step 3: Cross multiply
    649,053.81x = 895,692.03 × 358,657.26
  4. Step 4: Simplify right side
    649,053.81x = 321,246,449,283.64
  5. Step 5: Solve for x
    x = 321,246,449,283.64/649,053.81
  6. Step 6: Final answer
    x = 494,945.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.