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Finding the Fourth Proportional to 676,659.36, 933,749.52 and 374,831.52

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Solution

The fourth proportional to 676,659.36, 933,749.52 and 374,831.52 is: 517,245.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,659.36 : 933,749.52 = 374,831.52 : x
  2. Step 2: Convert to fraction form
    676,659.36/933,749.52 = 374,831.52/x
  3. Step 3: Cross multiply
    676,659.36x = 933,749.52 × 374,831.52
  4. Step 4: Simplify right side
    676,659.36x = 349,998,751,880.87
  5. Step 5: Solve for x
    x = 349,998,751,880.87/676,659.36
  6. Step 6: Final answer
    x = 517,245.12

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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.