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Finding the Fourth Proportional to 504,923.84, 696,856.56 and 290,063.44

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Solution

The fourth proportional to 504,923.84, 696,856.56 and 290,063.44 is: 400,322.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,923.84 : 696,856.56 = 290,063.44 : x
  2. Step 2: Convert to fraction form
    504,923.84/696,856.56 = 290,063.44/x
  3. Step 3: Cross multiply
    504,923.84x = 696,856.56 × 290,063.44
  4. Step 4: Simplify right side
    504,923.84x = 202,132,610,980.17
  5. Step 5: Solve for x
    x = 202,132,610,980.17/504,923.84
  6. Step 6: Final answer
    x = 400,322.97

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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.