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Finding the Fourth Proportional to 546,527.40, 819,791.10 and 172,550.40

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Solution

The fourth proportional to 546,527.40, 819,791.10 and 172,550.40 is: 258,825.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,527.40 : 819,791.10 = 172,550.40 : x
  2. Step 2: Convert to fraction form
    546,527.40/819,791.10 = 172,550.40/x
  3. Step 3: Cross multiply
    546,527.40x = 819,791.10 × 172,550.40
  4. Step 4: Simplify right side
    546,527.40x = 141,455,282,221.44
  5. Step 5: Solve for x
    x = 141,455,282,221.44/546,527.40
  6. Step 6: Final answer
    x = 258,825.60

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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.