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Finding the Fourth Proportional to 442,773.15, 663,303.42 and 370,841.78

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Solution

The fourth proportional to 442,773.15, 663,303.42 and 370,841.78 is: 555,545.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,773.15 : 663,303.42 = 370,841.78 : x
  2. Step 2: Convert to fraction form
    442,773.15/663,303.42 = 370,841.78/x
  3. Step 3: Cross multiply
    442,773.15x = 663,303.42 × 370,841.78
  4. Step 4: Simplify right side
    442,773.15x = 245,980,617,636.37
  5. Step 5: Solve for x
    x = 245,980,617,636.37/442,773.15
  6. Step 6: Final answer
    x = 555,545.47

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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.