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Finding the Fourth Proportional to 614,004.15, 847,351.88 and 342,071.89

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Solution

The fourth proportional to 614,004.15, 847,351.88 and 342,071.89 is: 472,073.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,004.15 : 847,351.88 = 342,071.89 : x
  2. Step 2: Convert to fraction form
    614,004.15/847,351.88 = 342,071.89/x
  3. Step 3: Cross multiply
    614,004.15x = 847,351.88 × 342,071.89
  4. Step 4: Simplify right side
    614,004.15x = 289,855,259,086.65
  5. Step 5: Solve for x
    x = 289,855,259,086.65/614,004.15
  6. Step 6: Final answer
    x = 472,073.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.