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Finding the Fourth Proportional to 373,950.20, 561,119.70 and 163,609.40

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Solution

The fourth proportional to 373,950.20, 561,119.70 and 163,609.40 is: 245,499.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,950.20 : 561,119.70 = 163,609.40 : x
  2. Step 2: Convert to fraction form
    373,950.20/561,119.70 = 163,609.40/x
  3. Step 3: Cross multiply
    373,950.20x = 561,119.70 × 163,609.40
  4. Step 4: Simplify right side
    373,950.20x = 91,804,457,445.18
  5. Step 5: Solve for x
    x = 91,804,457,445.18/373,950.20
  6. Step 6: Final answer
    x = 245,499.15

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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.