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Finding the Fourth Proportional to 508,534.01, 762,496.53 and 171,567.20

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Solution

The fourth proportional to 508,534.01, 762,496.53 and 171,567.20 is: 257,248.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,534.01 : 762,496.53 = 171,567.20 : x
  2. Step 2: Convert to fraction form
    508,534.01/762,496.53 = 171,567.20/x
  3. Step 3: Cross multiply
    508,534.01x = 762,496.53 × 171,567.20
  4. Step 4: Simplify right side
    508,534.01x = 130,819,394,661.82
  5. Step 5: Solve for x
    x = 130,819,394,661.82/508,534.01
  6. Step 6: Final answer
    x = 257,248.07

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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.