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Finding the Fourth Proportional to 433,575.36, 650,374.56 and 118,038.72

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Solution

The fourth proportional to 433,575.36, 650,374.56 and 118,038.72 is: 177,061.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,575.36 : 650,374.56 = 118,038.72 : x
  2. Step 2: Convert to fraction form
    433,575.36/650,374.56 = 118,038.72/x
  3. Step 3: Cross multiply
    433,575.36x = 650,374.56 × 118,038.72
  4. Step 4: Simplify right side
    433,575.36x = 76,769,380,582.96
  5. Step 5: Solve for x
    x = 76,769,380,582.96/433,575.36
  6. Step 6: Final answer
    x = 177,061.22

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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.