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Finding the Fourth Proportional to 471,395.52, 707,203.98 and 155,852.46

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Solution

The fourth proportional to 471,395.52, 707,203.98 and 155,852.46 is: 233,815.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,395.52 : 707,203.98 = 155,852.46 : x
  2. Step 2: Convert to fraction form
    471,395.52/707,203.98 = 155,852.46/x
  3. Step 3: Cross multiply
    471,395.52x = 707,203.98 × 155,852.46
  4. Step 4: Simplify right side
    471,395.52x = 110,219,480,004.79
  5. Step 5: Solve for x
    x = 110,219,480,004.79/471,395.52
  6. Step 6: Final answer
    x = 233,815.29

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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.