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Finding the Fourth Proportional to 368,492.49, 552,742.38 and 155,296.44

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Solution

The fourth proportional to 368,492.49, 552,742.38 and 155,296.44 is: 232,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,492.49 : 552,742.38 = 155,296.44 : x
  2. Step 2: Convert to fraction form
    368,492.49/552,742.38 = 155,296.44/x
  3. Step 3: Cross multiply
    368,492.49x = 552,742.38 × 155,296.44
  4. Step 4: Simplify right side
    368,492.49x = 85,838,923,851.13
  5. Step 5: Solve for x
    x = 85,838,923,851.13/368,492.49
  6. Step 6: Final answer
    x = 232,946.20

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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.