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Finding the Fourth Proportional to 337,544.01, 506,455.80 and 147,906.40

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Solution

The fourth proportional to 337,544.01, 506,455.80 and 147,906.40 is: 221,920.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,544.01 : 506,455.80 = 147,906.40 : x
  2. Step 2: Convert to fraction form
    337,544.01/506,455.80 = 147,906.40/x
  3. Step 3: Cross multiply
    337,544.01x = 506,455.80 × 147,906.40
  4. Step 4: Simplify right side
    337,544.01x = 74,908,054,137.12
  5. Step 5: Solve for x
    x = 74,908,054,137.12/337,544.01
  6. Step 6: Final answer
    x = 221,920.85

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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.