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Finding the Fourth Proportional to 368,859.60, 552,511.80 and 368,859.60

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Solution

The fourth proportional to 368,859.60, 552,511.80 and 368,859.60 is: 552,511.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,859.60 : 552,511.80 = 368,859.60 : x
  2. Step 2: Convert to fraction form
    368,859.60/552,511.80 = 368,859.60/x
  3. Step 3: Cross multiply
    368,859.60x = 552,511.80 × 368,859.60
  4. Step 4: Simplify right side
    368,859.60x = 203,799,281,543.28
  5. Step 5: Solve for x
    x = 203,799,281,543.28/368,859.60
  6. Step 6: Final answer
    x = 552,511.80

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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.