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Finding the Fourth Proportional to 467,853.04, 645,637.22 and 252,993.12

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Solution

The fourth proportional to 467,853.04, 645,637.22 and 252,993.12 is: 349,130.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,853.04 : 645,637.22 = 252,993.12 : x
  2. Step 2: Convert to fraction form
    467,853.04/645,637.22 = 252,993.12/x
  3. Step 3: Cross multiply
    467,853.04x = 645,637.22 × 252,993.12
  4. Step 4: Simplify right side
    467,853.04x = 163,341,774,675.93
  5. Step 5: Solve for x
    x = 163,341,774,675.93/467,853.04
  6. Step 6: Final answer
    x = 349,130.52

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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.