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Finding the Fourth Proportional to 503,899.98, 695,381.92 and 277,545.48

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Solution

The fourth proportional to 503,899.98, 695,381.92 and 277,545.48 is: 383,012.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,899.98 : 695,381.92 = 277,545.48 : x
  2. Step 2: Convert to fraction form
    503,899.98/695,381.92 = 277,545.48/x
  3. Step 3: Cross multiply
    503,899.98x = 695,381.92 × 277,545.48
  4. Step 4: Simplify right side
    503,899.98x = 193,000,108,769.72
  5. Step 5: Solve for x
    x = 193,000,108,769.72/503,899.98
  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.