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Finding the Fourth Proportional to 611,452.94, 843,882.89 and 369,737.22

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Solution

The fourth proportional to 611,452.94, 843,882.89 and 369,737.22 is: 510,284.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,452.94 : 843,882.89 = 369,737.22 : x
  2. Step 2: Convert to fraction form
    611,452.94/843,882.89 = 369,737.22/x
  3. Step 3: Cross multiply
    611,452.94x = 843,882.89 × 369,737.22
  4. Step 4: Simplify right side
    611,452.94x = 312,014,917,149.81
  5. Step 5: Solve for x
    x = 312,014,917,149.81/611,452.94
  6. Step 6: Final answer
    x = 510,284.44

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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.