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Finding the Fourth Proportional to 302,861.60, 454,292.40 and 232,002.80

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Solution

The fourth proportional to 302,861.60, 454,292.40 and 232,002.80 is: 348,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,861.60 : 454,292.40 = 232,002.80 : x
  2. Step 2: Convert to fraction form
    302,861.60/454,292.40 = 232,002.80/x
  3. Step 3: Cross multiply
    302,861.60x = 454,292.40 × 232,002.80
  4. Step 4: Simplify right side
    302,861.60x = 105,397,108,818.72
  5. Step 5: Solve for x
    x = 105,397,108,818.72/302,861.60
  6. Step 6: Final answer
    x = 348,004.20

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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.