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Finding the Fourth Proportional to 422,017.02, 633,025.54 and 141,533.46

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Solution

The fourth proportional to 422,017.02, 633,025.54 and 141,533.46 is: 212,300.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,017.02 : 633,025.54 = 141,533.46 : x
  2. Step 2: Convert to fraction form
    422,017.02/633,025.54 = 141,533.46/x
  3. Step 3: Cross multiply
    422,017.02x = 633,025.54 × 141,533.46
  4. Step 4: Simplify right side
    422,017.02x = 89,594,294,944.57
  5. Step 5: Solve for x
    x = 89,594,294,944.57/422,017.02
  6. Step 6: Final answer
    x = 212,300.19

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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.