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Finding the Fourth Proportional to 702,675, 1,054,010.52 and 542,983.32

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Solution

The fourth proportional to 702,675, 1,054,010.52 and 542,983.32 is: 814,473.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,675 : 1,054,010.52 = 542,983.32 : x
  2. Step 2: Convert to fraction form
    702,675/1,054,010.52 = 542,983.32/x
  3. Step 3: Cross multiply
    702,675x = 1,054,010.52 × 542,983.32
  4. Step 4: Simplify right side
    702,675x = 572,310,131,464.53
  5. Step 5: Solve for x
    x = 572,310,131,464.53/702,675
  6. Step 6: Final answer
    x = 814,473.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.