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Finding the Fourth Proportional to 535,168.70, 801,178.40 and 357,234.38

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Solution

The fourth proportional to 535,168.70, 801,178.40 and 357,234.38 is: 534,800.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,168.70 : 801,178.40 = 357,234.38 : x
  2. Step 2: Convert to fraction form
    535,168.70/801,178.40 = 357,234.38/x
  3. Step 3: Cross multiply
    535,168.70x = 801,178.40 × 357,234.38
  4. Step 4: Simplify right side
    535,168.70x = 286,208,468,993.39
  5. Step 5: Solve for x
    x = 286,208,468,993.39/535,168.70
  6. Step 6: Final answer
    x = 534,800.46

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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.