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Finding the Fourth Proportional to 337,543.01, 506,454.30 and 147,905.40

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Solution

The fourth proportional to 337,543.01, 506,454.30 and 147,905.40 is: 221,919.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,543.01 : 506,454.30 = 147,905.40 : x
  2. Step 2: Convert to fraction form
    337,543.01/506,454.30 = 147,905.40/x
  3. Step 3: Cross multiply
    337,543.01x = 506,454.30 × 147,905.40
  4. Step 4: Simplify right side
    337,543.01x = 74,907,325,823.22
  5. Step 5: Solve for x
    x = 74,907,325,823.22/337,543.01
  6. Step 6: Final answer
    x = 221,919.35

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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.