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Finding the Fourth Proportional to 356,855.43, 535,113.63 and 207,141.60

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Solution

The fourth proportional to 356,855.43, 535,113.63 and 207,141.60 is: 310,614.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,855.43 : 535,113.63 = 207,141.60 : x
  2. Step 2: Convert to fraction form
    356,855.43/535,113.63 = 207,141.60/x
  3. Step 3: Cross multiply
    356,855.43x = 535,113.63 × 207,141.60
  4. Step 4: Simplify right side
    356,855.43x = 110,844,293,500.01
  5. Step 5: Solve for x
    x = 110,844,293,500.01/356,855.43
  6. Step 6: Final answer
    x = 310,614.00

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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.