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Finding the Fourth Proportional to 672,180.48, 927,603.36 and 370,368

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Solution

The fourth proportional to 672,180.48, 927,603.36 and 370,368 is: 511,104.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,180.48 : 927,603.36 = 370,368 : x
  2. Step 2: Convert to fraction form
    672,180.48/927,603.36 = 370,368/x
  3. Step 3: Cross multiply
    672,180.48x = 927,603.36 × 370,368
  4. Step 4: Simplify right side
    672,180.48x = 343,554,601,236.48
  5. Step 5: Solve for x
    x = 343,554,601,236.48/672,180.48
  6. Step 6: Final answer
    x = 511,104.70

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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.