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Finding the Fourth Proportional to 508,569.36, 762,549.36 and 171,602.52

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Solution

The fourth proportional to 508,569.36, 762,549.36 and 171,602.52 is: 257,300.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,569.36 : 762,549.36 = 171,602.52 : x
  2. Step 2: Convert to fraction form
    508,569.36/762,549.36 = 171,602.52/x
  3. Step 3: Cross multiply
    508,569.36x = 762,549.36 × 171,602.52
  4. Step 4: Simplify right side
    508,569.36x = 130,855,391,800.39
  5. Step 5: Solve for x
    x = 130,855,391,800.39/508,569.36
  6. Step 6: Final answer
    x = 257,300.97

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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.