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Finding the Fourth Proportional to 677,322.26, 934,715.22 and 371,426.57

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Solution

The fourth proportional to 677,322.26, 934,715.22 and 371,426.57 is: 512,574.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,322.26 : 934,715.22 = 371,426.57 : x
  2. Step 2: Convert to fraction form
    677,322.26/934,715.22 = 371,426.57/x
  3. Step 3: Cross multiply
    677,322.26x = 934,715.22 × 371,426.57
  4. Step 4: Simplify right side
    677,322.26x = 347,178,068,091.40
  5. Step 5: Solve for x
    x = 347,178,068,091.40/677,322.26
  6. Step 6: Final answer
    x = 512,574.43

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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.