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Finding the Fourth Proportional to 438,228, 604,754.70 and 237,024

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Solution

The fourth proportional to 438,228, 604,754.70 and 237,024 is: 327,093.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,228 : 604,754.70 = 237,024 : x
  2. Step 2: Convert to fraction form
    438,228/604,754.70 = 237,024/x
  3. Step 3: Cross multiply
    438,228x = 604,754.70 × 237,024
  4. Step 4: Simplify right side
    438,228x = 143,341,378,012.80
  5. Step 5: Solve for x
    x = 143,341,378,012.80/438,228
  6. Step 6: Final answer
    x = 327,093.15

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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.