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Finding the Fourth Proportional to 662,967.68, 914,826.84 and 372,533.12

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Solution

The fourth proportional to 662,967.68, 914,826.84 and 372,533.12 is: 514,057.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,967.68 : 914,826.84 = 372,533.12 : x
  2. Step 2: Convert to fraction form
    662,967.68/914,826.84 = 372,533.12/x
  3. Step 3: Cross multiply
    662,967.68x = 914,826.84 × 372,533.12
  4. Step 4: Simplify right side
    662,967.68x = 340,803,296,964.94
  5. Step 5: Solve for x
    x = 340,803,296,964.94/662,967.68
  6. Step 6: Final answer
    x = 514,057.18

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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.