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Finding the Fourth Proportional to 216,024.20, 324,036.30 and 207,276.20

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Solution

The fourth proportional to 216,024.20, 324,036.30 and 207,276.20 is: 310,914.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,024.20 : 324,036.30 = 207,276.20 : x
  2. Step 2: Convert to fraction form
    216,024.20/324,036.30 = 207,276.20/x
  3. Step 3: Cross multiply
    216,024.20x = 324,036.30 × 207,276.20
  4. Step 4: Simplify right side
    216,024.20x = 67,165,012,926.06
  5. Step 5: Solve for x
    x = 67,165,012,926.06/216,024.20
  6. Step 6: Final answer
    x = 310,914.30

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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.