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Finding the Fourth Proportional to 344,831.80, 476,166.90 and 254,344.60

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Solution

The fourth proportional to 344,831.80, 476,166.90 and 254,344.60 is: 351,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,831.80 : 476,166.90 = 254,344.60 : x
  2. Step 2: Convert to fraction form
    344,831.80/476,166.90 = 254,344.60/x
  3. Step 3: Cross multiply
    344,831.80x = 476,166.90 × 254,344.60
  4. Step 4: Simplify right side
    344,831.80x = 121,110,479,713.74
  5. Step 5: Solve for x
    x = 121,110,479,713.74/344,831.80
  6. Step 6: Final answer
    x = 351,216.10

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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.