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Finding the Fourth Proportional to 582,684.78, 804,120.03 and 328,045.08

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Solution

The fourth proportional to 582,684.78, 804,120.03 and 328,045.08 is: 452,710.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,684.78 : 804,120.03 = 328,045.08 : x
  2. Step 2: Convert to fraction form
    582,684.78/804,120.03 = 328,045.08/x
  3. Step 3: Cross multiply
    582,684.78x = 804,120.03 × 328,045.08
  4. Step 4: Simplify right side
    582,684.78x = 263,787,619,570.95
  5. Step 5: Solve for x
    x = 263,787,619,570.95/582,684.78
  6. Step 6: Final answer
    x = 452,710.67

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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.