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Finding the Fourth Proportional to 474,293.16, 654,516.80 and 259,431.32

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Solution

The fourth proportional to 474,293.16, 654,516.80 and 259,431.32 is: 358,010.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,293.16 : 654,516.80 = 259,431.32 : x
  2. Step 2: Convert to fraction form
    474,293.16/654,516.80 = 259,431.32/x
  3. Step 3: Cross multiply
    474,293.16x = 654,516.80 × 259,431.32
  4. Step 4: Simplify right side
    474,293.16x = 169,802,157,386.18
  5. Step 5: Solve for x
    x = 169,802,157,386.18/474,293.16
  6. Step 6: Final answer
    x = 358,010.98

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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.