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Finding the Fourth Proportional to 884,528.88, 1,326,007.88 and 344,660.10

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Solution

The fourth proportional to 884,528.88, 1,326,007.88 and 344,660.10 is: 516,684.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,528.88 : 1,326,007.88 = 344,660.10 : x
  2. Step 2: Convert to fraction form
    884,528.88/1,326,007.88 = 344,660.10/x
  3. Step 3: Cross multiply
    884,528.88x = 1,326,007.88 × 344,660.10
  4. Step 4: Simplify right side
    884,528.88x = 457,022,008,521.59
  5. Step 5: Solve for x
    x = 457,022,008,521.59/884,528.88
  6. Step 6: Final answer
    x = 516,684.10

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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.