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Finding the Fourth Proportional to 361,894.16, 499,433.64 and 234,678.80

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Solution

The fourth proportional to 361,894.16, 499,433.64 and 234,678.80 is: 323,869.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,894.16 : 499,433.64 = 234,678.80 : x
  2. Step 2: Convert to fraction form
    361,894.16/499,433.64 = 234,678.80/x
  3. Step 3: Cross multiply
    361,894.16x = 499,433.64 × 234,678.80
  4. Step 4: Simplify right side
    361,894.16x = 117,206,487,314.83
  5. Step 5: Solve for x
    x = 117,206,487,314.83/361,894.16
  6. Step 6: Final answer
    x = 323,869.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.