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Finding the Fourth Proportional to 480,709.07, 720,555.12 and 181,060

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Solution

The fourth proportional to 480,709.07, 720,555.12 and 181,060 is: 271,398.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,709.07 : 720,555.12 = 181,060 : x
  2. Step 2: Convert to fraction form
    480,709.07/720,555.12 = 181,060/x
  3. Step 3: Cross multiply
    480,709.07x = 720,555.12 × 181,060
  4. Step 4: Simplify right side
    480,709.07x = 130,463,710,027.20
  5. Step 5: Solve for x
    x = 130,463,710,027.20/480,709.07
  6. Step 6: Final answer
    x = 271,398.48

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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.