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Finding the Fourth Proportional to 357,276.16, 535,213.56 and 207,201.16

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Solution

The fourth proportional to 357,276.16, 535,213.56 and 207,201.16 is: 310,395.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,276.16 : 535,213.56 = 207,201.16 : x
  2. Step 2: Convert to fraction form
    357,276.16/535,213.56 = 207,201.16/x
  3. Step 3: Cross multiply
    357,276.16x = 535,213.56 × 207,201.16
  4. Step 4: Simplify right side
    357,276.16x = 110,896,870,479.73
  5. Step 5: Solve for x
    x = 110,896,870,479.73/357,276.16
  6. Step 6: Final answer
    x = 310,395.38

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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.