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Finding the Fourth Proportional to 618,492.44, 926,945.87 and 538,196.74

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Solution

The fourth proportional to 618,492.44, 926,945.87 and 538,196.74 is: 806,605.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,492.44 : 926,945.87 = 538,196.74 : x
  2. Step 2: Convert to fraction form
    618,492.44/926,945.87 = 538,196.74/x
  3. Step 3: Cross multiply
    618,492.44x = 926,945.87 × 538,196.74
  4. Step 4: Simplify right side
    618,492.44x = 498,879,240,382.12
  5. Step 5: Solve for x
    x = 498,879,240,382.12/618,492.44
  6. Step 6: Final answer
    x = 806,605.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.