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Finding the Fourth Proportional to 662,781.02, 914,637.84 and 360,975.02

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Solution

The fourth proportional to 662,781.02, 914,637.84 and 360,975.02 is: 498,145.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,781.02 : 914,637.84 = 360,975.02 : x
  2. Step 2: Convert to fraction form
    662,781.02/914,637.84 = 360,975.02/x
  3. Step 3: Cross multiply
    662,781.02x = 914,637.84 × 360,975.02
  4. Step 4: Simplify right side
    662,781.02x = 330,161,412,586.76
  5. Step 5: Solve for x
    x = 330,161,412,586.76/662,781.02
  6. Step 6: Final answer
    x = 498,145.55

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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.