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Finding the Fourth Proportional to 210,344.20, 314,860.20 and 151,295.20

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Solution

The fourth proportional to 210,344.20, 314,860.20 and 151,295.20 is: 226,470.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,344.20 : 314,860.20 = 151,295.20 : x
  2. Step 2: Convert to fraction form
    210,344.20/314,860.20 = 151,295.20/x
  3. Step 3: Cross multiply
    210,344.20x = 314,860.20 × 151,295.20
  4. Step 4: Simplify right side
    210,344.20x = 47,636,836,931.04
  5. Step 5: Solve for x
    x = 47,636,836,931.04/210,344.20
  6. Step 6: Final answer
    x = 226,470.88

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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.