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Finding the Fourth Proportional to 554,201.28, 764,287.11 and 349,897.23

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Solution

The fourth proportional to 554,201.28, 764,287.11 and 349,897.23 is: 482,535.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,201.28 : 764,287.11 = 349,897.23 : x
  2. Step 2: Convert to fraction form
    554,201.28/764,287.11 = 349,897.23/x
  3. Step 3: Cross multiply
    554,201.28x = 764,287.11 × 349,897.23
  4. Step 4: Simplify right side
    554,201.28x = 267,421,942,713.71
  5. Step 5: Solve for x
    x = 267,421,942,713.71/554,201.28
  6. Step 6: Final answer
    x = 482,535.77

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1.5x scale

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.