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Finding the Fourth Proportional to 422,293.08, 633,461.40 and 106,752.72

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Solution

The fourth proportional to 422,293.08, 633,461.40 and 106,752.72 is: 160,134.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,293.08 : 633,461.40 = 106,752.72 : x
  2. Step 2: Convert to fraction form
    422,293.08/633,461.40 = 106,752.72/x
  3. Step 3: Cross multiply
    422,293.08x = 633,461.40 × 106,752.72
  4. Step 4: Simplify right side
    422,293.08x = 67,623,727,465.01
  5. Step 5: Solve for x
    x = 67,623,727,465.01/422,293.08
  6. Step 6: Final answer
    x = 160,134.59

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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.