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Finding the Fourth Proportional to 240,038.58, 360,183.60 and 155,778.90

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Solution

The fourth proportional to 240,038.58, 360,183.60 and 155,778.90 is: 233,749.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,038.58 : 360,183.60 = 155,778.90 : x
  2. Step 2: Convert to fraction form
    240,038.58/360,183.60 = 155,778.90/x
  3. Step 3: Cross multiply
    240,038.58x = 360,183.60 × 155,778.90
  4. Step 4: Simplify right side
    240,038.58x = 56,109,005,006.04
  5. Step 5: Solve for x
    x = 56,109,005,006.04/240,038.58
  6. Step 6: Final answer
    x = 233,749.95

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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.