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Finding the Fourth Proportional to 554,205.28, 764,292.62 and 349,901.24

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Solution

The fourth proportional to 554,205.28, 764,292.62 and 349,901.24 is: 482,541.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,205.28 : 764,292.62 = 349,901.24 : x
  2. Step 2: Convert to fraction form
    554,205.28/764,292.62 = 349,901.24/x
  3. Step 3: Cross multiply
    554,205.28x = 764,292.62 × 349,901.24
  4. Step 4: Simplify right side
    554,205.28x = 267,426,935,460.85
  5. Step 5: Solve for x
    x = 267,426,935,460.85/554,205.28
  6. Step 6: Final answer
    x = 482,541.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.