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Finding the Fourth Proportional to 503,900.35, 695,382.45 and 277,545.85

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Solution

The fourth proportional to 503,900.35, 695,382.45 and 277,545.85 is: 383,013.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,900.35 : 695,382.45 = 277,545.85 : x
  2. Step 2: Convert to fraction form
    503,900.35/695,382.45 = 277,545.85/x
  3. Step 3: Cross multiply
    503,900.35x = 695,382.45 × 277,545.85
  4. Step 4: Simplify right side
    503,900.35x = 193,000,513,160.33
  5. Step 5: Solve for x
    x = 193,000,513,160.33/503,900.35
  6. Step 6: Final answer
    x = 383,013.25

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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.