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Finding the Fourth Proportional to 504,710.68, 696,500.94 and 278,370.76

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Solution

The fourth proportional to 504,710.68, 696,500.94 and 278,370.76 is: 384,151.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,710.68 : 696,500.94 = 278,370.76 : x
  2. Step 2: Convert to fraction form
    504,710.68/696,500.94 = 278,370.76/x
  3. Step 3: Cross multiply
    504,710.68x = 696,500.94 × 278,370.76
  4. Step 4: Simplify right side
    504,710.68x = 193,885,496,008.51
  5. Step 5: Solve for x
    x = 193,885,496,008.51/504,710.68
  6. Step 6: Final answer
    x = 384,151.76

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Double scale
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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.