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Finding the Fourth Proportional to 965,117.40, 1,448,597.70 and 825,034.20

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Solution

The fourth proportional to 965,117.40, 1,448,597.70 and 825,034.20 is: 1,238,339.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,117.40 : 1,448,597.70 = 825,034.20 : x
  2. Step 2: Convert to fraction form
    965,117.40/1,448,597.70 = 825,034.20/x
  3. Step 3: Cross multiply
    965,117.40x = 1,448,597.70 × 825,034.20
  4. Step 4: Simplify right side
    965,117.40x = 1,195,142,644,541.34
  5. Step 5: Solve for x
    x = 1,195,142,644,541.34/965,117.40
  6. Step 6: Final answer
    x = 1,238,339.13

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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.