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Finding the Fourth Proportional to 336,180.80, 463,290.96 and 240,521.60

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Solution

The fourth proportional to 336,180.80, 463,290.96 and 240,521.60 is: 331,462.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,180.80 : 463,290.96 = 240,521.60 : x
  2. Step 2: Convert to fraction form
    336,180.80/463,290.96 = 240,521.60/x
  3. Step 3: Cross multiply
    336,180.80x = 463,290.96 × 240,521.60
  4. Step 4: Simplify right side
    336,180.80x = 111,431,482,964.74
  5. Step 5: Solve for x
    x = 111,431,482,964.74/336,180.80
  6. Step 6: Final answer
    x = 331,462.96

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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.