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Finding the Fourth Proportional to 540,825.78, 811,176.66 and 141,505.14

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Solution

The fourth proportional to 540,825.78, 811,176.66 and 141,505.14 is: 212,241.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,825.78 : 811,176.66 = 141,505.14 : x
  2. Step 2: Convert to fraction form
    540,825.78/811,176.66 = 141,505.14/x
  3. Step 3: Cross multiply
    540,825.78x = 811,176.66 × 141,505.14
  4. Step 4: Simplify right side
    540,825.78x = 114,785,666,838.03
  5. Step 5: Solve for x
    x = 114,785,666,838.03/540,825.78
  6. Step 6: Final answer
    x = 212,241.49

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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.