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Finding the Fourth Proportional to 819,351.84, 1,130,064.57 and 532,963.38

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Solution

The fourth proportional to 819,351.84, 1,130,064.57 and 532,963.38 is: 735,072.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,351.84 : 1,130,064.57 = 532,963.38 : x
  2. Step 2: Convert to fraction form
    819,351.84/1,130,064.57 = 532,963.38/x
  3. Step 3: Cross multiply
    819,351.84x = 1,130,064.57 × 532,963.38
  4. Step 4: Simplify right side
    819,351.84x = 602,283,032,845.45
  5. Step 5: Solve for x
    x = 602,283,032,845.45/819,351.84
  6. Step 6: Final answer
    x = 735,072.53

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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.