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Finding the Fourth Proportional to 351,306.27, 526,973.99 and 101,988.27

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Solution

The fourth proportional to 351,306.27, 526,973.99 and 101,988.27 is: 152,986.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,306.27 : 526,973.99 = 101,988.27 : x
  2. Step 2: Convert to fraction form
    351,306.27/526,973.99 = 101,988.27/x
  3. Step 3: Cross multiply
    351,306.27x = 526,973.99 × 101,988.27
  4. Step 4: Simplify right side
    351,306.27x = 53,745,165,065.16
  5. Step 5: Solve for x
    x = 53,745,165,065.16/351,306.27
  6. Step 6: Final answer
    x = 152,986.64

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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.