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Finding the Fourth Proportional to 240,624.72, 360,815.58 and 140,814.90

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Solution

The fourth proportional to 240,624.72, 360,815.58 and 140,814.90 is: 211,151.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,624.72 : 360,815.58 = 140,814.90 : x
  2. Step 2: Convert to fraction form
    240,624.72/360,815.58 = 140,814.90/x
  3. Step 3: Cross multiply
    240,624.72x = 360,815.58 × 140,814.90
  4. Step 4: Simplify right side
    240,624.72x = 50,808,209,816.14
  5. Step 5: Solve for x
    x = 50,808,209,816.14/240,624.72
  6. Step 6: Final answer
    x = 211,151.25

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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.