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Finding the Fourth Proportional to 963,955.70, 1,437,315.54 and 937,471.88

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Solution

The fourth proportional to 963,955.70, 1,437,315.54 and 937,471.88 is: 1,397,826.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,955.70 : 1,437,315.54 = 937,471.88 : x
  2. Step 2: Convert to fraction form
    963,955.70/1,437,315.54 = 937,471.88/x
  3. Step 3: Cross multiply
    963,955.70x = 1,437,315.54 × 937,471.88
  4. Step 4: Simplify right side
    963,955.70x = 1,347,442,901,437.02
  5. Step 5: Solve for x
    x = 1,347,442,901,437.02/963,955.70
  6. Step 6: Final answer
    x = 1,397,826.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.