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Finding the Fourth Proportional to 503,899.97, 695,381.93 and 277,545.47

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Solution

The fourth proportional to 503,899.97, 695,381.93 and 277,545.47 is: 383,012.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,899.97 : 695,381.93 = 277,545.47 : x
  2. Step 2: Convert to fraction form
    503,899.97/695,381.93 = 277,545.47/x
  3. Step 3: Cross multiply
    503,899.97x = 695,381.93 × 277,545.47
  4. Step 4: Simplify right side
    503,899.97x = 193,000,103,203.63
  5. Step 5: Solve for x
    x = 193,000,103,203.63/503,899.97
  6. Step 6: Final answer
    x = 383,012.73

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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.