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Finding the Fourth Proportional to 964,672.02, 1,329,713.28 and 760,391.64

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Solution

The fourth proportional to 964,672.02, 1,329,713.28 and 760,391.64 is: 1,048,131.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,672.02 : 1,329,713.28 = 760,391.64 : x
  2. Step 2: Convert to fraction form
    964,672.02/1,329,713.28 = 760,391.64/x
  3. Step 3: Cross multiply
    964,672.02x = 1,329,713.28 × 760,391.64
  4. Step 4: Simplify right side
    964,672.02x = 1,011,102,861,708.98
  5. Step 5: Solve for x
    x = 1,011,102,861,708.98/964,672.02
  6. Step 6: Final answer
    x = 1,048,131.22

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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.