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Finding the Fourth Proportional to 473,216.16, 653,010.48 and 272,012.16

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Solution

The fourth proportional to 473,216.16, 653,010.48 and 272,012.16 is: 375,360.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,216.16 : 653,010.48 = 272,012.16 : x
  2. Step 2: Convert to fraction form
    473,216.16/653,010.48 = 272,012.16/x
  3. Step 3: Cross multiply
    473,216.16x = 653,010.48 × 272,012.16
  4. Step 4: Simplify right side
    473,216.16x = 177,626,791,167.44
  5. Step 5: Solve for x
    x = 177,626,791,167.44/473,216.16
  6. Step 6: Final answer
    x = 375,360.79

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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.