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Finding the Fourth Proportional to 343,225.62, 473,126.30 and 240,964.20

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Solution

The fourth proportional to 343,225.62, 473,126.30 and 240,964.20 is: 332,161.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,225.62 : 473,126.30 = 240,964.20 : x
  2. Step 2: Convert to fraction form
    343,225.62/473,126.30 = 240,964.20/x
  3. Step 3: Cross multiply
    343,225.62x = 473,126.30 × 240,964.20
  4. Step 4: Simplify right side
    343,225.62x = 114,006,500,378.46
  5. Step 5: Solve for x
    x = 114,006,500,378.46/343,225.62
  6. Step 6: Final answer
    x = 332,161.98

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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.