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Finding the Fourth Proportional to 609,325.93, 840,972.14 and 354,827.17

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Solution

The fourth proportional to 609,325.93, 840,972.14 and 354,827.17 is: 489,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,325.93 : 840,972.14 = 354,827.17 : x
  2. Step 2: Convert to fraction form
    609,325.93/840,972.14 = 354,827.17/x
  3. Step 3: Cross multiply
    609,325.93x = 840,972.14 × 354,827.17
  4. Step 4: Simplify right side
    609,325.93x = 298,399,764,485.04
  5. Step 5: Solve for x
    x = 298,399,764,485.04/609,325.93
  6. Step 6: Final answer
    x = 489,721.10

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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.