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Finding the Fourth Proportional to 236,390.40, 314,150.40 and 236,390.40

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Solution

The fourth proportional to 236,390.40, 314,150.40 and 236,390.40 is: 314,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,390.40 : 314,150.40 = 236,390.40 : x
  2. Step 2: Convert to fraction form
    236,390.40/314,150.40 = 236,390.40/x
  3. Step 3: Cross multiply
    236,390.40x = 314,150.40 × 236,390.40
  4. Step 4: Simplify right side
    236,390.40x = 74,262,138,716.16
  5. Step 5: Solve for x
    x = 74,262,138,716.16/236,390.40
  6. Step 6: Final answer
    x = 314,150.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.