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Finding the Fourth Proportional to 564,672.50, 846,984.45 and 143,935.82

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Solution

The fourth proportional to 564,672.50, 846,984.45 and 143,935.82 is: 215,897.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,672.50 : 846,984.45 = 143,935.82 : x
  2. Step 2: Convert to fraction form
    564,672.50/846,984.45 = 143,935.82/x
  3. Step 3: Cross multiply
    564,672.50x = 846,984.45 × 143,935.82
  4. Step 4: Simplify right side
    564,672.50x = 121,911,401,338.00
  5. Step 5: Solve for x
    x = 121,911,401,338.00/564,672.50
  6. Step 6: Final answer
    x = 215,897.54

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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.