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Finding the Fourth Proportional to 462,062.16, 637,615.56 and 268,452.72

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Solution

The fourth proportional to 462,062.16, 637,615.56 and 268,452.72 is: 370,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,062.16 : 637,615.56 = 268,452.72 : x
  2. Step 2: Convert to fraction form
    462,062.16/637,615.56 = 268,452.72/x
  3. Step 3: Cross multiply
    462,062.16x = 637,615.56 × 268,452.72
  4. Step 4: Simplify right side
    462,062.16x = 171,169,631,396.32
  5. Step 5: Solve for x
    x = 171,169,631,396.32/462,062.16
  6. Step 6: Final answer
    x = 370,447.20

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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.