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Finding the Fourth Proportional to 631,083.61, 946,969.85 and 365,363.11

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Solution

The fourth proportional to 631,083.61, 946,969.85 and 365,363.11 is: 548,244.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,083.61 : 946,969.85 = 365,363.11 : x
  2. Step 2: Convert to fraction form
    631,083.61/946,969.85 = 365,363.11/x
  3. Step 3: Cross multiply
    631,083.61x = 946,969.85 × 365,363.11
  4. Step 4: Simplify right side
    631,083.61x = 345,987,849,472.23
  5. Step 5: Solve for x
    x = 345,987,849,472.23/631,083.61
  6. Step 6: Final answer
    x = 548,244.07

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1.5x scale

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.