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Finding the Fourth Proportional to 368,001.20, 552,001.80 and 308,952.20

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Solution

The fourth proportional to 368,001.20, 552,001.80 and 308,952.20 is: 463,428.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,001.20 : 552,001.80 = 308,952.20 : x
  2. Step 2: Convert to fraction form
    368,001.20/552,001.80 = 308,952.20/x
  3. Step 3: Cross multiply
    368,001.20x = 552,001.80 × 308,952.20
  4. Step 4: Simplify right side
    368,001.20x = 170,542,170,513.96
  5. Step 5: Solve for x
    x = 170,542,170,513.96/368,001.20
  6. Step 6: Final answer
    x = 463,428.30

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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.