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Finding the Fourth Proportional to 250,212.38, 374,376.87 and 175,478.40

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Solution

The fourth proportional to 250,212.38, 374,376.87 and 175,478.40 is: 262,557.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,212.38 : 374,376.87 = 175,478.40 : x
  2. Step 2: Convert to fraction form
    250,212.38/374,376.87 = 175,478.40/x
  3. Step 3: Cross multiply
    250,212.38x = 374,376.87 × 175,478.40
  4. Step 4: Simplify right side
    250,212.38x = 65,695,054,144.61
  5. Step 5: Solve for x
    x = 65,695,054,144.61/250,212.38
  6. Step 6: Final answer
    x = 262,557.17

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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.