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Finding the Fourth Proportional to 474,434.83, 654,735.79 and 259,575

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Solution

The fourth proportional to 474,434.83, 654,735.79 and 259,575 is: 358,222.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,434.83 : 654,735.79 = 259,575 : x
  2. Step 2: Convert to fraction form
    474,434.83/654,735.79 = 259,575/x
  3. Step 3: Cross multiply
    474,434.83x = 654,735.79 × 259,575
  4. Step 4: Simplify right side
    474,434.83x = 169,953,042,689.25
  5. Step 5: Solve for x
    x = 169,953,042,689.25/474,434.83
  6. Step 6: Final answer
    x = 358,222.10

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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.