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Finding the Fourth Proportional to 328,535.70, 492,025.95 and 222,782.10

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Solution

The fourth proportional to 328,535.70, 492,025.95 and 222,782.10 is: 333,645.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,535.70 : 492,025.95 = 222,782.10 : x
  2. Step 2: Convert to fraction form
    328,535.70/492,025.95 = 222,782.10/x
  3. Step 3: Cross multiply
    328,535.70x = 492,025.95 × 222,782.10
  4. Step 4: Simplify right side
    328,535.70x = 109,614,574,395.50
  5. Step 5: Solve for x
    x = 109,614,574,395.50/328,535.70
  6. Step 6: Final answer
    x = 333,645.85

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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.