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Finding the Fourth Proportional to 436,502.80, 654,754.20 and 296,534.80

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Solution

The fourth proportional to 436,502.80, 654,754.20 and 296,534.80 is: 444,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,502.80 : 654,754.20 = 296,534.80 : x
  2. Step 2: Convert to fraction form
    436,502.80/654,754.20 = 296,534.80/x
  3. Step 3: Cross multiply
    436,502.80x = 654,754.20 × 296,534.80
  4. Step 4: Simplify right side
    436,502.80x = 194,157,405,746.16
  5. Step 5: Solve for x
    x = 194,157,405,746.16/436,502.80
  6. Step 6: Final answer
    x = 444,802.20

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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.