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Finding the Fourth Proportional to 872,270, 1,308,405.04 and 232,575.92

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Solution

The fourth proportional to 872,270, 1,308,405.04 and 232,575.92 is: 348,863.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,270 : 1,308,405.04 = 232,575.92 : x
  2. Step 2: Convert to fraction form
    872,270/1,308,405.04 = 232,575.92/x
  3. Step 3: Cross multiply
    872,270x = 1,308,405.04 × 232,575.92
  4. Step 4: Simplify right side
    872,270x = 304,303,505,910.64
  5. Step 5: Solve for x
    x = 304,303,505,910.64/872,270
  6. Step 6: Final answer
    x = 348,863.89

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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.