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Finding the Fourth Proportional to 368,390.90, 552,653.16 and 152,250

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Solution

The fourth proportional to 368,390.90, 552,653.16 and 152,250 is: 228,402.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,390.90 : 552,653.16 = 152,250 : x
  2. Step 2: Convert to fraction form
    368,390.90/552,653.16 = 152,250/x
  3. Step 3: Cross multiply
    368,390.90x = 552,653.16 × 152,250
  4. Step 4: Simplify right side
    368,390.90x = 84,141,443,610
  5. Step 5: Solve for x
    x = 84,141,443,610/368,390.90
  6. Step 6: Final answer
    x = 228,402.61

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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.