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Finding the Fourth Proportional to 503,648.51, 695,013.95 and 277,279.43

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Solution

The fourth proportional to 503,648.51, 695,013.95 and 277,279.43 is: 382,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,648.51 : 695,013.95 = 277,279.43 : x
  2. Step 2: Convert to fraction form
    503,648.51/695,013.95 = 277,279.43/x
  3. Step 3: Cross multiply
    503,648.51x = 695,013.95 × 277,279.43
  4. Step 4: Simplify right side
    503,648.51x = 192,713,067,036.58
  5. Step 5: Solve for x
    x = 192,713,067,036.58/503,648.51
  6. Step 6: Final answer
    x = 382,634.05

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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.