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Finding the Fourth Proportional to 448,391.16, 618,760.62 and 244,437.21

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Solution

The fourth proportional to 448,391.16, 618,760.62 and 244,437.21 is: 337,312.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,391.16 : 618,760.62 = 244,437.21 : x
  2. Step 2: Convert to fraction form
    448,391.16/618,760.62 = 244,437.21/x
  3. Step 3: Cross multiply
    448,391.16x = 618,760.62 × 244,437.21
  4. Step 4: Simplify right side
    448,391.16x = 151,248,119,610.67
  5. Step 5: Solve for x
    x = 151,248,119,610.67/448,391.16
  6. Step 6: Final answer
    x = 337,312.89

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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.