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Finding the Fourth Proportional to 524,169.46, 723,179.88 and 427,206.59

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Solution

The fourth proportional to 524,169.46, 723,179.88 and 427,206.59 is: 589,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,169.46 : 723,179.88 = 427,206.59 : x
  2. Step 2: Convert to fraction form
    524,169.46/723,179.88 = 427,206.59/x
  3. Step 3: Cross multiply
    524,169.46x = 723,179.88 × 427,206.59
  4. Step 4: Simplify right side
    524,169.46x = 308,947,209,587.43
  5. Step 5: Solve for x
    x = 308,947,209,587.43/524,169.46
  6. Step 6: Final answer
    x = 589,403.30

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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.