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Finding the Fourth Proportional to 431,620.53, 596,012.43 and 270,752.10

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Solution

The fourth proportional to 431,620.53, 596,012.43 and 270,752.10 is: 373,873.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,620.53 : 596,012.43 = 270,752.10 : x
  2. Step 2: Convert to fraction form
    431,620.53/596,012.43 = 270,752.10/x
  3. Step 3: Cross multiply
    431,620.53x = 596,012.43 × 270,752.10
  4. Step 4: Simplify right side
    431,620.53x = 161,371,617,048.60
  5. Step 5: Solve for x
    x = 161,371,617,048.60/431,620.53
  6. Step 6: Final answer
    x = 373,873.82

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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.