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Finding the Fourth Proportional to 612,882.74, 845,805.47 and 510,737.19

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Solution

The fourth proportional to 612,882.74, 845,805.47 and 510,737.19 is: 704,840.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,882.74 : 845,805.47 = 510,737.19 : x
  2. Step 2: Convert to fraction form
    612,882.74/845,805.47 = 510,737.19/x
  3. Step 3: Cross multiply
    612,882.74x = 845,805.47 × 510,737.19
  4. Step 4: Simplify right side
    612,882.74x = 431,984,306,480.74
  5. Step 5: Solve for x
    x = 431,984,306,480.74/612,882.74
  6. Step 6: Final answer
    x = 704,840.06

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1.5x scale

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.