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Finding the Fourth Proportional to 264,365.91, 364,831.12 and 156,936.35

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Solution

The fourth proportional to 264,365.91, 364,831.12 and 156,936.35 is: 216,575.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,365.91 : 364,831.12 = 156,936.35 : x
  2. Step 2: Convert to fraction form
    264,365.91/364,831.12 = 156,936.35/x
  3. Step 3: Cross multiply
    264,365.91x = 364,831.12 × 156,936.35
  4. Step 4: Simplify right side
    264,365.91x = 57,255,265,447.46
  5. Step 5: Solve for x
    x = 57,255,265,447.46/264,365.91
  6. Step 6: Final answer
    x = 216,575.83

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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.