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Finding the Fourth Proportional to 443,831.32, 612,601.14 and 273,967.84

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Solution

The fourth proportional to 443,831.32, 612,601.14 and 273,967.84 is: 378,145.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,831.32 : 612,601.14 = 273,967.84 : x
  2. Step 2: Convert to fraction form
    443,831.32/612,601.14 = 273,967.84/x
  3. Step 3: Cross multiply
    443,831.32x = 612,601.14 × 273,967.84
  4. Step 4: Simplify right side
    443,831.32x = 167,833,011,107.34
  5. Step 5: Solve for x
    x = 167,833,011,107.34/443,831.32
  6. Step 6: Final answer
    x = 378,145.94

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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.