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Finding the Fourth Proportional to 519,387.01, 779,041.62 and 182,430.63

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Solution

The fourth proportional to 519,387.01, 779,041.62 and 182,430.63 is: 273,632.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,387.01 : 779,041.62 = 182,430.63 : x
  2. Step 2: Convert to fraction form
    519,387.01/779,041.62 = 182,430.63/x
  3. Step 3: Cross multiply
    519,387.01x = 779,041.62 × 182,430.63
  4. Step 4: Simplify right side
    519,387.01x = 142,121,053,532.82
  5. Step 5: Solve for x
    x = 142,121,053,532.82/519,387.01
  6. Step 6: Final answer
    x = 273,632.28

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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.