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Finding the Fourth Proportional to 503,871.69, 695,342.93 and 277,517.19

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Solution

The fourth proportional to 503,871.69, 695,342.93 and 277,517.19 is: 382,973.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,871.69 : 695,342.93 = 277,517.19 : x
  2. Step 2: Convert to fraction form
    503,871.69/695,342.93 = 277,517.19/x
  3. Step 3: Cross multiply
    503,871.69x = 695,342.93 × 277,517.19
  4. Step 4: Simplify right side
    503,871.69x = 192,969,616,019.97
  5. Step 5: Solve for x
    x = 192,969,616,019.97/503,871.69
  6. Step 6: Final answer
    x = 382,973.72

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Double scale
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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.