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Finding the Fourth Proportional to 508,240.74, 701,365.68 and 290,446.93

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Solution

The fourth proportional to 508,240.74, 701,365.68 and 290,446.93 is: 400,813.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,240.74 : 701,365.68 = 290,446.93 : x
  2. Step 2: Convert to fraction form
    508,240.74/701,365.68 = 290,446.93/x
  3. Step 3: Cross multiply
    508,240.74x = 701,365.68 × 290,446.93
  4. Step 4: Simplify right side
    508,240.74x = 203,709,508,563.36
  5. Step 5: Solve for x
    x = 203,709,508,563.36/508,240.74
  6. Step 6: Final answer
    x = 400,813.03

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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.