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Finding the Fourth Proportional to 514,483.73, 771,754.75 and 159,548.21

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Solution

The fourth proportional to 514,483.73, 771,754.75 and 159,548.21 is: 239,331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,483.73 : 771,754.75 = 159,548.21 : x
  2. Step 2: Convert to fraction form
    514,483.73/771,754.75 = 159,548.21/x
  3. Step 3: Cross multiply
    514,483.73x = 771,754.75 × 159,548.21
  4. Step 4: Simplify right side
    514,483.73x = 123,132,084,663.85
  5. Step 5: Solve for x
    x = 123,132,084,663.85/514,483.73
  6. Step 6: Final answer
    x = 239,331.35

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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.