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Finding the Fourth Proportional to 508,277.29, 762,255.33 and 171,239.40

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Solution

The fourth proportional to 508,277.29, 762,255.33 and 171,239.40 is: 256,804.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,277.29 : 762,255.33 = 171,239.40 : x
  2. Step 2: Convert to fraction form
    508,277.29/762,255.33 = 171,239.40/x
  3. Step 3: Cross multiply
    508,277.29x = 762,255.33 × 171,239.40
  4. Step 4: Simplify right side
    508,277.29x = 130,528,145,356.00
  5. Step 5: Solve for x
    x = 130,528,145,356.00/508,277.29
  6. Step 6: Final answer
    x = 256,804.99

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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.