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Finding the Fourth Proportional to 672,496, 928,044.48 and 370,696.48

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Solution

The fourth proportional to 672,496, 928,044.48 and 370,696.48 is: 511,561.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,496 : 928,044.48 = 370,696.48 : x
  2. Step 2: Convert to fraction form
    672,496/928,044.48 = 370,696.48/x
  3. Step 3: Cross multiply
    672,496x = 928,044.48 × 370,696.48
  4. Step 4: Simplify right side
    672,496x = 344,022,822,019.43
  5. Step 5: Solve for x
    x = 344,022,822,019.43/672,496
  6. Step 6: Final answer
    x = 511,561.14

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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.