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Finding the Fourth Proportional to 454,094.80, 679,975.80 and 360,005.20

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Solution

The fourth proportional to 454,094.80, 679,975.80 and 360,005.20 is: 539,083.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,094.80 : 679,975.80 = 360,005.20 : x
  2. Step 2: Convert to fraction form
    454,094.80/679,975.80 = 360,005.20/x
  3. Step 3: Cross multiply
    454,094.80x = 679,975.80 × 360,005.20
  4. Step 4: Simplify right side
    454,094.80x = 244,794,823,874.16
  5. Step 5: Solve for x
    x = 244,794,823,874.16/454,094.80
  6. Step 6: Final answer
    x = 539,083.08

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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.