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Finding the Fourth Proportional to 243,831.40, 365,034.30 and 173,847.40

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Solution

The fourth proportional to 243,831.40, 365,034.30 and 173,847.40 is: 260,262.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,831.40 : 365,034.30 = 173,847.40 : x
  2. Step 2: Convert to fraction form
    243,831.40/365,034.30 = 173,847.40/x
  3. Step 3: Cross multiply
    243,831.40x = 365,034.30 × 173,847.40
  4. Step 4: Simplify right side
    243,831.40x = 63,460,263,965.82
  5. Step 5: Solve for x
    x = 63,460,263,965.82/243,831.40
  6. Step 6: Final answer
    x = 260,262.89

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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.