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Finding the Fourth Proportional to 555,878.40, 834,206.40 and 240,561.60

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Solution

The fourth proportional to 555,878.40, 834,206.40 and 240,561.60 is: 361,010.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,878.40 : 834,206.40 = 240,561.60 : x
  2. Step 2: Convert to fraction form
    555,878.40/834,206.40 = 240,561.60/x
  3. Step 3: Cross multiply
    555,878.40x = 834,206.40 × 240,561.60
  4. Step 4: Simplify right side
    555,878.40x = 200,678,026,314.24
  5. Step 5: Solve for x
    x = 200,678,026,314.24/555,878.40
  6. Step 6: Final answer
    x = 361,010.66

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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.