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Finding the Fourth Proportional to 295,207.80, 442,811.70 and 251,030.40

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Solution

The fourth proportional to 295,207.80, 442,811.70 and 251,030.40 is: 376,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,207.80 : 442,811.70 = 251,030.40 : x
  2. Step 2: Convert to fraction form
    295,207.80/442,811.70 = 251,030.40/x
  3. Step 3: Cross multiply
    295,207.80x = 442,811.70 × 251,030.40
  4. Step 4: Simplify right side
    295,207.80x = 111,159,198,175.68
  5. Step 5: Solve for x
    x = 111,159,198,175.68/295,207.80
  6. Step 6: Final answer
    x = 376,545.60

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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.