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Finding the Fourth Proportional to 526,896.84, 790,346.48 and 303,715.92

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Solution

The fourth proportional to 526,896.84, 790,346.48 and 303,715.92 is: 455,574.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,896.84 : 790,346.48 = 303,715.92 : x
  2. Step 2: Convert to fraction form
    526,896.84/790,346.48 = 303,715.92/x
  3. Step 3: Cross multiply
    526,896.84x = 790,346.48 × 303,715.92
  4. Step 4: Simplify right side
    526,896.84x = 240,040,808,291.96
  5. Step 5: Solve for x
    x = 240,040,808,291.96/526,896.84
  6. Step 6: Final answer
    x = 455,574.58

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.