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Finding the Fourth Proportional to 474,430.92, 654,731.01 and 259,570.98

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Solution

The fourth proportional to 474,430.92, 654,731.01 and 259,570.98 is: 358,216.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,430.92 : 654,731.01 = 259,570.98 : x
  2. Step 2: Convert to fraction form
    474,430.92/654,731.01 = 259,570.98/x
  3. Step 3: Cross multiply
    474,430.92x = 654,731.01 × 259,570.98
  4. Step 4: Simplify right side
    474,430.92x = 169,949,169,902.09
  5. Step 5: Solve for x
    x = 169,949,169,902.09/474,430.92
  6. Step 6: Final answer
    x = 358,216.89

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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.