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Finding the Fourth Proportional to 438,192.86, 657,374.51 and 168,301.26

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Solution

The fourth proportional to 438,192.86, 657,374.51 and 168,301.26 is: 252,484.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,192.86 : 657,374.51 = 168,301.26 : x
  2. Step 2: Convert to fraction form
    438,192.86/657,374.51 = 168,301.26/x
  3. Step 3: Cross multiply
    438,192.86x = 657,374.51 × 168,301.26
  4. Step 4: Simplify right side
    438,192.86x = 110,636,958,324.88
  5. Step 5: Solve for x
    x = 110,636,958,324.88/438,192.86
  6. Step 6: Final answer
    x = 252,484.62

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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.