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Finding the Fourth Proportional to 503,695.16, 695,103.93 and 277,348.76

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Solution

The fourth proportional to 503,695.16, 695,103.93 and 277,348.76 is: 382,743.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,695.16 : 695,103.93 = 277,348.76 : x
  2. Step 2: Convert to fraction form
    503,695.16/695,103.93 = 277,348.76/x
  3. Step 3: Cross multiply
    503,695.16x = 695,103.93 × 277,348.76
  4. Step 4: Simplify right side
    503,695.16x = 192,786,213,056.63
  5. Step 5: Solve for x
    x = 192,786,213,056.63/503,695.16
  6. Step 6: Final answer
    x = 382,743.83

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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.