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Finding the Fourth Proportional to 520,253.82, 780,605.91 and 183,535.20

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Solution

The fourth proportional to 520,253.82, 780,605.91 and 183,535.20 is: 275,382.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,253.82 : 780,605.91 = 183,535.20 : x
  2. Step 2: Convert to fraction form
    520,253.82/780,605.91 = 183,535.20/x
  3. Step 3: Cross multiply
    520,253.82x = 780,605.91 × 183,535.20
  4. Step 4: Simplify right side
    520,253.82x = 143,268,661,813.03
  5. Step 5: Solve for x
    x = 143,268,661,813.03/520,253.82
  6. Step 6: Final answer
    x = 275,382.24

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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.