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Finding the Fourth Proportional to 368,590.68, 553,014 and 227,349.36

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Solution

The fourth proportional to 368,590.68, 553,014 and 227,349.36 is: 341,102.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,590.68 : 553,014 = 227,349.36 : x
  2. Step 2: Convert to fraction form
    368,590.68/553,014 = 227,349.36/x
  3. Step 3: Cross multiply
    368,590.68x = 553,014 × 227,349.36
  4. Step 4: Simplify right side
    368,590.68x = 125,727,378,971.04
  5. Step 5: Solve for x
    x = 125,727,378,971.04/368,590.68
  6. Step 6: Final answer
    x = 341,102.98

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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.