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Finding the Fourth Proportional to 267,807.40, 401,970.30 and 162,831.40

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Solution

The fourth proportional to 267,807.40, 401,970.30 and 162,831.40 is: 244,404.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,807.40 : 401,970.30 = 162,831.40 : x
  2. Step 2: Convert to fraction form
    267,807.40/401,970.30 = 162,831.40/x
  3. Step 3: Cross multiply
    267,807.40x = 401,970.30 × 162,831.40
  4. Step 4: Simplify right side
    267,807.40x = 65,453,386,707.42
  5. Step 5: Solve for x
    x = 65,453,386,707.42/267,807.40
  6. Step 6: Final answer
    x = 244,404.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.