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Finding the Fourth Proportional to 704,492.29, 972,201.22 and 382,202.38

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Solution

The fourth proportional to 704,492.29, 972,201.22 and 382,202.38 is: 527,440.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,492.29 : 972,201.22 = 382,202.38 : x
  2. Step 2: Convert to fraction form
    704,492.29/972,201.22 = 382,202.38/x
  3. Step 3: Cross multiply
    704,492.29x = 972,201.22 × 382,202.38
  4. Step 4: Simplify right side
    704,492.29x = 371,577,620,122.90
  5. Step 5: Solve for x
    x = 371,577,620,122.90/704,492.29
  6. Step 6: Final answer
    x = 527,440.29

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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.