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Finding the Fourth Proportional to 453,133.89, 625,323.87 and 259,604.28

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Solution

The fourth proportional to 453,133.89, 625,323.87 and 259,604.28 is: 358,253.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,133.89 : 625,323.87 = 259,604.28 : x
  2. Step 2: Convert to fraction form
    453,133.89/625,323.87 = 259,604.28/x
  3. Step 3: Cross multiply
    453,133.89x = 625,323.87 × 259,604.28
  4. Step 4: Simplify right side
    453,133.89x = 162,336,753,038.16
  5. Step 5: Solve for x
    x = 162,336,753,038.16/453,133.89
  6. Step 6: Final answer
    x = 358,253.39

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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.