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Finding the Fourth Proportional to 503,650.85, 695,036.88 and 277,296.35

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Solution

The fourth proportional to 503,650.85, 695,036.88 and 277,296.35 is: 382,668.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,650.85 : 695,036.88 = 277,296.35 : x
  2. Step 2: Convert to fraction form
    503,650.85/695,036.88 = 277,296.35/x
  3. Step 3: Cross multiply
    503,650.85x = 695,036.88 × 277,296.35
  4. Step 4: Simplify right side
    503,650.85x = 192,731,186,464.20
  5. Step 5: Solve for x
    x = 192,731,186,464.20/503,650.85
  6. Step 6: Final answer
    x = 382,668.25

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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.