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Finding the Fourth Proportional to 380,001.72, 570,444.34 and 222,343.32

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Solution

The fourth proportional to 380,001.72, 570,444.34 and 222,343.32 is: 333,773.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,001.72 : 570,444.34 = 222,343.32 : x
  2. Step 2: Convert to fraction form
    380,001.72/570,444.34 = 222,343.32/x
  3. Step 3: Cross multiply
    380,001.72x = 570,444.34 × 222,343.32
  4. Step 4: Simplify right side
    380,001.72x = 126,834,488,430.81
  5. Step 5: Solve for x
    x = 126,834,488,430.81/380,001.72
  6. Step 6: Final answer
    x = 333,773.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.