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Finding the Fourth Proportional to 342,373.14, 472,472.19 and 191,470.14

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Solution

The fourth proportional to 342,373.14, 472,472.19 and 191,470.14 is: 264,227.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,373.14 : 472,472.19 = 191,470.14 : x
  2. Step 2: Convert to fraction form
    342,373.14/472,472.19 = 191,470.14/x
  3. Step 3: Cross multiply
    342,373.14x = 472,472.19 × 191,470.14
  4. Step 4: Simplify right side
    342,373.14x = 90,464,316,365.41
  5. Step 5: Solve for x
    x = 90,464,316,365.41/342,373.14
  6. Step 6: Final answer
    x = 264,227.26

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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.