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Finding the Fourth Proportional to 222,703.17, 307,470.51 and 154,698.27

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Solution

The fourth proportional to 222,703.17, 307,470.51 and 154,698.27 is: 213,580.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,703.17 : 307,470.51 = 154,698.27 : x
  2. Step 2: Convert to fraction form
    222,703.17/307,470.51 = 154,698.27/x
  3. Step 3: Cross multiply
    222,703.17x = 307,470.51 × 154,698.27
  4. Step 4: Simplify right side
    222,703.17x = 47,565,155,973.02
  5. Step 5: Solve for x
    x = 47,565,155,973.02/222,703.17
  6. Step 6: Final answer
    x = 213,580.96

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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.