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Finding the Fourth Proportional to 370,376.42, 552,327.22 and 329,552.42

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Solution

The fourth proportional to 370,376.42, 552,327.22 and 329,552.42 is: 491,448.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,376.42 : 552,327.22 = 329,552.42 : x
  2. Step 2: Convert to fraction form
    370,376.42/552,327.22 = 329,552.42/x
  3. Step 3: Cross multiply
    370,376.42x = 552,327.22 × 329,552.42
  4. Step 4: Simplify right side
    370,376.42x = 182,020,771,982.87
  5. Step 5: Solve for x
    x = 182,020,771,982.87/370,376.42
  6. Step 6: Final answer
    x = 491,448.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.