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Finding the Fourth Proportional to 474,557.32, 654,887.90 and 259,695.51

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Solution

The fourth proportional to 474,557.32, 654,887.90 and 259,695.51 is: 358,379.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,557.32 : 654,887.90 = 259,695.51 : x
  2. Step 2: Convert to fraction form
    474,557.32/654,887.90 = 259,695.51/x
  3. Step 3: Cross multiply
    474,557.32x = 654,887.90 × 259,695.51
  4. Step 4: Simplify right side
    474,557.32x = 170,071,443,908.89
  5. Step 5: Solve for x
    x = 170,071,443,908.89/474,557.32
  6. Step 6: Final answer
    x = 358,379.14

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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.