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Finding the Fourth Proportional to 240,955.40, 361,433.10 and 151,920.20

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Solution

The fourth proportional to 240,955.40, 361,433.10 and 151,920.20 is: 227,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,955.40 : 361,433.10 = 151,920.20 : x
  2. Step 2: Convert to fraction form
    240,955.40/361,433.10 = 151,920.20/x
  3. Step 3: Cross multiply
    240,955.40x = 361,433.10 × 151,920.20
  4. Step 4: Simplify right side
    240,955.40x = 54,908,988,838.62
  5. Step 5: Solve for x
    x = 54,908,988,838.62/240,955.40
  6. Step 6: Final answer
    x = 227,880.30

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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.