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Finding the Fourth Proportional to 635,586.80, 877,116.12 and 345,204.04

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Solution

The fourth proportional to 635,586.80, 877,116.12 and 345,204.04 is: 476,385.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,586.80 : 877,116.12 = 345,204.04 : x
  2. Step 2: Convert to fraction form
    635,586.80/877,116.12 = 345,204.04/x
  3. Step 3: Cross multiply
    635,586.80x = 877,116.12 × 345,204.04
  4. Step 4: Simplify right side
    635,586.80x = 302,784,024,834.41
  5. Step 5: Solve for x
    x = 302,784,024,834.41/635,586.80
  6. Step 6: Final answer
    x = 476,385.01

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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.