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Finding the Fourth Proportional to 295,566.20, 442,693.20 and 243,078.20

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Solution

The fourth proportional to 295,566.20, 442,693.20 and 243,078.20 is: 364,077.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,566.20 : 442,693.20 = 243,078.20 : x
  2. Step 2: Convert to fraction form
    295,566.20/442,693.20 = 243,078.20/x
  3. Step 3: Cross multiply
    295,566.20x = 442,693.20 × 243,078.20
  4. Step 4: Simplify right side
    295,566.20x = 107,609,066,208.24
  5. Step 5: Solve for x
    x = 107,609,066,208.24/295,566.20
  6. Step 6: Final answer
    x = 364,077.71

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1.5x scale

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.