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Finding the Fourth Proportional to 503,899.85, 695,381.76 and 277,545.35

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Solution

The fourth proportional to 503,899.85, 695,381.76 and 277,545.35 is: 383,012.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,899.85 : 695,381.76 = 277,545.35 : x
  2. Step 2: Convert to fraction form
    503,899.85/695,381.76 = 277,545.35/x
  3. Step 3: Cross multiply
    503,899.85x = 695,381.76 × 277,545.35
  4. Step 4: Simplify right side
    503,899.85x = 192,999,973,962.82
  5. Step 5: Solve for x
    x = 192,999,973,962.82/503,899.85
  6. Step 6: Final answer
    x = 383,012.56

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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.