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Finding the Fourth Proportional to 341,352, 512,076.60 and 181,386.18

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Solution

The fourth proportional to 341,352, 512,076.60 and 181,386.18 is: 272,105.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,352 : 512,076.60 = 181,386.18 : x
  2. Step 2: Convert to fraction form
    341,352/512,076.60 = 181,386.18/x
  3. Step 3: Cross multiply
    341,352x = 512,076.60 × 181,386.18
  4. Step 4: Simplify right side
    341,352x = 92,883,618,341.39
  5. Step 5: Solve for x
    x = 92,883,618,341.39/341,352
  6. Step 6: Final answer
    x = 272,105.09

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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.