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Finding the Fourth Proportional to 239,246.70, 358,870.05 and 223,500.30

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Solution

The fourth proportional to 239,246.70, 358,870.05 and 223,500.30 is: 335,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,246.70 : 358,870.05 = 223,500.30 : x
  2. Step 2: Convert to fraction form
    239,246.70/358,870.05 = 223,500.30/x
  3. Step 3: Cross multiply
    239,246.70x = 358,870.05 × 223,500.30
  4. Step 4: Simplify right side
    239,246.70x = 80,207,563,836.02
  5. Step 5: Solve for x
    x = 80,207,563,836.02/239,246.70
  6. Step 6: Final answer
    x = 335,250.45

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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.