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Finding the Fourth Proportional to 503,742.16, 695,139.24 and 277,345.36

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Solution

The fourth proportional to 503,742.16, 695,139.24 and 277,345.36 is: 382,722.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,742.16 : 695,139.24 = 277,345.36 : x
  2. Step 2: Convert to fraction form
    503,742.16/695,139.24 = 277,345.36/x
  3. Step 3: Cross multiply
    503,742.16x = 695,139.24 × 277,345.36
  4. Step 4: Simplify right side
    503,742.16x = 192,793,642,767.93
  5. Step 5: Solve for x
    x = 192,793,642,767.93/503,742.16
  6. Step 6: Final answer
    x = 382,722.87

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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.