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Finding the Fourth Proportional to 584,552.88, 806,385.77 and 355,049.10

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Solution

The fourth proportional to 584,552.88, 806,385.77 and 355,049.10 is: 489,787.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,552.88 : 806,385.77 = 355,049.10 : x
  2. Step 2: Convert to fraction form
    584,552.88/806,385.77 = 355,049.10/x
  3. Step 3: Cross multiply
    584,552.88x = 806,385.77 × 355,049.10
  4. Step 4: Simplify right side
    584,552.88x = 286,306,541,891.31
  5. Step 5: Solve for x
    x = 286,306,541,891.31/584,552.88
  6. Step 6: Final answer
    x = 489,787.24

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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.