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Finding the Fourth Proportional to 408,820.04, 611,730.29 and 341,184.97

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Solution

The fourth proportional to 408,820.04, 611,730.29 and 341,184.97 is: 510,525.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,820.04 : 611,730.29 = 341,184.97 : x
  2. Step 2: Convert to fraction form
    408,820.04/611,730.29 = 341,184.97/x
  3. Step 3: Cross multiply
    408,820.04x = 611,730.29 × 341,184.97
  4. Step 4: Simplify right side
    408,820.04x = 208,713,182,259.37
  5. Step 5: Solve for x
    x = 208,713,182,259.37/408,820.04
  6. Step 6: Final answer
    x = 510,525.81

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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.