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Finding the Fourth Proportional to 553,865.34, 832,356.18 and 329,266.11

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Solution

The fourth proportional to 553,865.34, 832,356.18 and 329,266.11 is: 494,825.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,865.34 : 832,356.18 = 329,266.11 : x
  2. Step 2: Convert to fraction form
    553,865.34/832,356.18 = 329,266.11/x
  3. Step 3: Cross multiply
    553,865.34x = 832,356.18 × 329,266.11
  4. Step 4: Simplify right side
    553,865.34x = 274,066,681,523.06
  5. Step 5: Solve for x
    x = 274,066,681,523.06/553,865.34
  6. Step 6: Final answer
    x = 494,825.48

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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.