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Finding the Fourth Proportional to 295,266.90, 442,900.35 and 170,462.10

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Solution

The fourth proportional to 295,266.90, 442,900.35 and 170,462.10 is: 255,693.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,266.90 : 442,900.35 = 170,462.10 : x
  2. Step 2: Convert to fraction form
    295,266.90/442,900.35 = 170,462.10/x
  3. Step 3: Cross multiply
    295,266.90x = 442,900.35 × 170,462.10
  4. Step 4: Simplify right side
    295,266.90x = 75,497,723,751.74
  5. Step 5: Solve for x
    x = 75,497,723,751.74/295,266.90
  6. Step 6: Final answer
    x = 255,693.15

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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.