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Finding the Fourth Proportional to 564,535.01, 779,059.41 and 335,138.30

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Solution

The fourth proportional to 564,535.01, 779,059.41 and 335,138.30 is: 462,491.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,535.01 : 779,059.41 = 335,138.30 : x
  2. Step 2: Convert to fraction form
    564,535.01/779,059.41 = 335,138.30/x
  3. Step 3: Cross multiply
    564,535.01x = 779,059.41 × 335,138.30
  4. Step 4: Simplify right side
    564,535.01x = 261,092,642,371.11
  5. Step 5: Solve for x
    x = 261,092,642,371.11/564,535.01
  6. Step 6: Final answer
    x = 462,491.50

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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.