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Finding the Fourth Proportional to 445,887.76, 615,323.46 and 264,748.58

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Solution

The fourth proportional to 445,887.76, 615,323.46 and 264,748.58 is: 365,352.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,887.76 : 615,323.46 = 264,748.58 : x
  2. Step 2: Convert to fraction form
    445,887.76/615,323.46 = 264,748.58/x
  3. Step 3: Cross multiply
    445,887.76x = 615,323.46 × 264,748.58
  4. Step 4: Simplify right side
    445,887.76x = 162,906,012,275.69
  5. Step 5: Solve for x
    x = 162,906,012,275.69/445,887.76
  6. Step 6: Final answer
    x = 365,352.06

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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.