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Finding the Fourth Proportional to 609,065.92, 840,492.01 and 350,943.38

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Solution

The fourth proportional to 609,065.92, 840,492.01 and 350,943.38 is: 484,290.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,065.92 : 840,492.01 = 350,943.38 : x
  2. Step 2: Convert to fraction form
    609,065.92/840,492.01 = 350,943.38/x
  3. Step 3: Cross multiply
    609,065.92x = 840,492.01 × 350,943.38
  4. Step 4: Simplify right side
    609,065.92x = 294,965,106,852.39
  5. Step 5: Solve for x
    x = 294,965,106,852.39/609,065.92
  6. Step 6: Final answer
    x = 484,290.94

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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.