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Finding the Fourth Proportional to 504,871.83, 696,674.66 and 278,502.75

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Solution

The fourth proportional to 504,871.83, 696,674.66 and 278,502.75 is: 384,307.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,871.83 : 696,674.66 = 278,502.75 : x
  2. Step 2: Convert to fraction form
    504,871.83/696,674.66 = 278,502.75/x
  3. Step 3: Cross multiply
    504,871.83x = 696,674.66 × 278,502.75
  4. Step 4: Simplify right side
    504,871.83x = 194,025,807,272.80
  5. Step 5: Solve for x
    x = 194,025,807,272.80/504,871.83
  6. Step 6: Final answer
    x = 384,307.06

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Double scale
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Similar ratio
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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.