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Finding the Fourth Proportional to 564,958, 779,711.16 and 326,494

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Solution

The fourth proportional to 564,958, 779,711.16 and 326,494 is: 450,601.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,958 : 779,711.16 = 326,494 : x
  2. Step 2: Convert to fraction form
    564,958/779,711.16 = 326,494/x
  3. Step 3: Cross multiply
    564,958x = 779,711.16 × 326,494
  4. Step 4: Simplify right side
    564,958x = 254,571,015,473.04
  5. Step 5: Solve for x
    x = 254,571,015,473.04/564,958
  6. Step 6: Final answer
    x = 450,601.67

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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.