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Finding the Fourth Proportional to 442,040.04, 663,064.70 and 353,854.13

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Solution

The fourth proportional to 442,040.04, 663,064.70 and 353,854.13 is: 530,784.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,040.04 : 663,064.70 = 353,854.13 : x
  2. Step 2: Convert to fraction form
    442,040.04/663,064.70 = 353,854.13/x
  3. Step 3: Cross multiply
    442,040.04x = 663,064.70 × 353,854.13
  4. Step 4: Simplify right side
    442,040.04x = 234,628,177,467.62
  5. Step 5: Solve for x
    x = 234,628,177,467.62/442,040.04
  6. Step 6: Final answer
    x = 530,784.90

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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.