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Finding the Fourth Proportional to 301,347.13, 415,831.54 and 178,818.39

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Solution

The fourth proportional to 301,347.13, 415,831.54 and 178,818.39 is: 246,753.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,347.13 : 415,831.54 = 178,818.39 : x
  2. Step 2: Convert to fraction form
    301,347.13/415,831.54 = 178,818.39/x
  3. Step 3: Cross multiply
    301,347.13x = 415,831.54 × 178,818.39
  4. Step 4: Simplify right side
    301,347.13x = 74,358,325,599.93
  5. Step 5: Solve for x
    x = 74,358,325,599.93/301,347.13
  6. Step 6: Final answer
    x = 246,753.06

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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.