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Finding the Fourth Proportional to 295,831.20, 444,025.20 and 155,690.40

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Solution

The fourth proportional to 295,831.20, 444,025.20 and 155,690.40 is: 233,682.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,831.20 : 444,025.20 = 155,690.40 : x
  2. Step 2: Convert to fraction form
    295,831.20/444,025.20 = 155,690.40/x
  3. Step 3: Cross multiply
    295,831.20x = 444,025.20 × 155,690.40
  4. Step 4: Simplify right side
    295,831.20x = 69,130,460,998.08
  5. Step 5: Solve for x
    x = 69,130,460,998.08/295,831.20
  6. Step 6: Final answer
    x = 233,682.12

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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.