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Finding the Fourth Proportional to 763,625.02, 1,053,805 and 424,093.28

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Solution

The fourth proportional to 763,625.02, 1,053,805 and 424,093.28 is: 585,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,625.02 : 1,053,805 = 424,093.28 : x
  2. Step 2: Convert to fraction form
    763,625.02/1,053,805 = 424,093.28/x
  3. Step 3: Cross multiply
    763,625.02x = 1,053,805 × 424,093.28
  4. Step 4: Simplify right side
    763,625.02x = 446,911,618,930.40
  5. Step 5: Solve for x
    x = 446,911,618,930.40/763,625.02
  6. Step 6: Final answer
    x = 585,250.10

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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.