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Finding the Fourth Proportional to 422,707, 583,376 and 241,446.01

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Solution

The fourth proportional to 422,707, 583,376 and 241,446.01 is: 333,218.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,707 : 583,376 = 241,446.01 : x
  2. Step 2: Convert to fraction form
    422,707/583,376 = 241,446.01/x
  3. Step 3: Cross multiply
    422,707x = 583,376 × 241,446.01
  4. Step 4: Simplify right side
    422,707x = 140,853,807,529.76
  5. Step 5: Solve for x
    x = 140,853,807,529.76/422,707
  6. Step 6: Final answer
    x = 333,218.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.