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Finding the Fourth Proportional to 474,707.30, 655,079.76 and 270,824.22

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Solution

The fourth proportional to 474,707.30, 655,079.76 and 270,824.22 is: 373,728.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,707.30 : 655,079.76 = 270,824.22 : x
  2. Step 2: Convert to fraction form
    474,707.30/655,079.76 = 270,824.22/x
  3. Step 3: Cross multiply
    474,707.30x = 655,079.76 × 270,824.22
  4. Step 4: Simplify right side
    474,707.30x = 177,411,465,039.79
  5. Step 5: Solve for x
    x = 177,411,465,039.79/474,707.30
  6. Step 6: Final answer
    x = 373,728.12

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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.