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Finding the Fourth Proportional to 650,664.21, 897,916.41 and 364,184.22

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Solution

The fourth proportional to 650,664.21, 897,916.41 and 364,184.22 is: 502,574.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,664.21 : 897,916.41 = 364,184.22 : x
  2. Step 2: Convert to fraction form
    650,664.21/897,916.41 = 364,184.22/x
  3. Step 3: Cross multiply
    650,664.21x = 897,916.41 × 364,184.22
  4. Step 4: Simplify right side
    650,664.21x = 327,006,987,401.05
  5. Step 5: Solve for x
    x = 327,006,987,401.05/650,664.21
  6. Step 6: Final answer
    x = 502,574.11

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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.