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Finding the Fourth Proportional to 422,019.02, 633,028.54 and 141,535.46

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Solution

The fourth proportional to 422,019.02, 633,028.54 and 141,535.46 is: 212,303.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,019.02 : 633,028.54 = 141,535.46 : x
  2. Step 2: Convert to fraction form
    422,019.02/633,028.54 = 141,535.46/x
  3. Step 3: Cross multiply
    422,019.02x = 633,028.54 × 141,535.46
  4. Step 4: Simplify right side
    422,019.02x = 89,595,985,602.03
  5. Step 5: Solve for x
    x = 89,595,985,602.03/422,019.02
  6. Step 6: Final answer
    x = 212,303.19

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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.