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Finding the Fourth Proportional to 359,009.01, 495,410.13 and 197,855.10

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Solution

The fourth proportional to 359,009.01, 495,410.13 and 197,855.10 is: 273,027.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,009.01 : 495,410.13 = 197,855.10 : x
  2. Step 2: Convert to fraction form
    359,009.01/495,410.13 = 197,855.10/x
  3. Step 3: Cross multiply
    359,009.01x = 495,410.13 × 197,855.10
  4. Step 4: Simplify right side
    359,009.01x = 98,019,420,812.16
  5. Step 5: Solve for x
    x = 98,019,420,812.16/359,009.01
  6. Step 6: Final answer
    x = 273,027.75

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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.