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Finding the Fourth Proportional to 265,429.38, 366,650.85 and 212,088.42

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Solution

The fourth proportional to 265,429.38, 366,650.85 and 212,088.42 is: 292,968.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,429.38 : 366,650.85 = 212,088.42 : x
  2. Step 2: Convert to fraction form
    265,429.38/366,650.85 = 212,088.42/x
  3. Step 3: Cross multiply
    265,429.38x = 366,650.85 × 212,088.42
  4. Step 4: Simplify right side
    265,429.38x = 77,762,399,468.16
  5. Step 5: Solve for x
    x = 77,762,399,468.16/265,429.38
  6. Step 6: Final answer
    x = 292,968.32

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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.