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Finding the Fourth Proportional to 274,277.80, 411,416.70 and 230,975.20

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Solution

The fourth proportional to 274,277.80, 411,416.70 and 230,975.20 is: 346,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,277.80 : 411,416.70 = 230,975.20 : x
  2. Step 2: Convert to fraction form
    274,277.80/411,416.70 = 230,975.20/x
  3. Step 3: Cross multiply
    274,277.80x = 411,416.70 × 230,975.20
  4. Step 4: Simplify right side
    274,277.80x = 95,027,054,565.84
  5. Step 5: Solve for x
    x = 95,027,054,565.84/274,277.80
  6. Step 6: Final answer
    x = 346,462.80

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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.