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Finding the Fourth Proportional to 672,267, 927,728.46 and 370,461

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Solution

The fourth proportional to 672,267, 927,728.46 and 370,461 is: 511,236.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,267 : 927,728.46 = 370,461 : x
  2. Step 2: Convert to fraction form
    672,267/927,728.46 = 370,461/x
  3. Step 3: Cross multiply
    672,267x = 927,728.46 × 370,461
  4. Step 4: Simplify right side
    672,267x = 343,687,213,020.06
  5. Step 5: Solve for x
    x = 343,687,213,020.06/672,267
  6. Step 6: Final answer
    x = 511,236.18

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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.