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Finding the Fourth Proportional to 564,755.84, 779,388.48 and 338,396.48

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Solution

The fourth proportional to 564,755.84, 779,388.48 and 338,396.48 is: 467,002.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,755.84 : 779,388.48 = 338,396.48 : x
  2. Step 2: Convert to fraction form
    564,755.84/779,388.48 = 338,396.48/x
  3. Step 3: Cross multiply
    564,755.84x = 779,388.48 × 338,396.48
  4. Step 4: Simplify right side
    564,755.84x = 263,742,318,184.55
  5. Step 5: Solve for x
    x = 263,742,318,184.55/564,755.84
  6. Step 6: Final answer
    x = 467,002.37

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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.