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Finding the Fourth Proportional to 333,035.18, 499,716.80 and 155,516.39

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Solution

The fourth proportional to 333,035.18, 499,716.80 and 155,516.39 is: 233,351.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,035.18 : 499,716.80 = 155,516.39 : x
  2. Step 2: Convert to fraction form
    333,035.18/499,716.80 = 155,516.39/x
  3. Step 3: Cross multiply
    333,035.18x = 499,716.80 × 155,516.39
  4. Step 4: Simplify right side
    333,035.18x = 77,714,151,980.77
  5. Step 5: Solve for x
    x = 77,714,151,980.77/333,035.18
  6. Step 6: Final answer
    x = 233,351.18

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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.