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Finding the Fourth Proportional to 474,865.26, 655,313.91 and 260,005.26

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Solution

The fourth proportional to 474,865.26, 655,313.91 and 260,005.26 is: 358,807.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,865.26 : 655,313.91 = 260,005.26 : x
  2. Step 2: Convert to fraction form
    474,865.26/655,313.91 = 260,005.26/x
  3. Step 3: Cross multiply
    474,865.26x = 655,313.91 × 260,005.26
  4. Step 4: Simplify right side
    474,865.26x = 170,385,063,551.17
  5. Step 5: Solve for x
    x = 170,385,063,551.17/474,865.26
  6. Step 6: Final answer
    x = 358,807.18

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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.