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Finding the Fourth Proportional to 518,552.16, 715,576.32 and 292,212.24

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Solution

The fourth proportional to 518,552.16, 715,576.32 and 292,212.24 is: 403,238.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,552.16 : 715,576.32 = 292,212.24 : x
  2. Step 2: Convert to fraction form
    518,552.16/715,576.32 = 292,212.24/x
  3. Step 3: Cross multiply
    518,552.16x = 715,576.32 × 292,212.24
  4. Step 4: Simplify right side
    518,552.16x = 209,100,159,358.16
  5. Step 5: Solve for x
    x = 209,100,159,358.16/518,552.16
  6. Step 6: Final answer
    x = 403,238.43

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1.5x scale

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.