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Finding the Fourth Proportional to 503,849.31, 695,280.15 and 277,494.81

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Solution

The fourth proportional to 503,849.31, 695,280.15 and 277,494.81 is: 382,925.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,849.31 : 695,280.15 = 277,494.81 : x
  2. Step 2: Convert to fraction form
    503,849.31/695,280.15 = 277,494.81/x
  3. Step 3: Cross multiply
    503,849.31x = 695,280.15 × 277,494.81
  4. Step 4: Simplify right side
    503,849.31x = 192,936,633,121.02
  5. Step 5: Solve for x
    x = 192,936,633,121.02/503,849.31
  6. Step 6: Final answer
    x = 382,925.27

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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.