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Finding the Fourth Proportional to 243,811.90, 365,005.05 and 173,827.90

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Solution

The fourth proportional to 243,811.90, 365,005.05 and 173,827.90 is: 260,233.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,811.90 : 365,005.05 = 173,827.90 : x
  2. Step 2: Convert to fraction form
    243,811.90/365,005.05 = 173,827.90/x
  3. Step 3: Cross multiply
    243,811.90x = 365,005.05 × 173,827.90
  4. Step 4: Simplify right side
    243,811.90x = 63,448,061,330.90
  5. Step 5: Solve for x
    x = 63,448,061,330.90/243,811.90
  6. Step 6: Final answer
    x = 260,233.65

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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.