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Finding the Fourth Proportional to 555,478.62, 833,261.13 and 181,539.42

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Solution

The fourth proportional to 555,478.62, 833,261.13 and 181,539.42 is: 272,323.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,478.62 : 833,261.13 = 181,539.42 : x
  2. Step 2: Convert to fraction form
    555,478.62/833,261.13 = 181,539.42/x
  3. Step 3: Cross multiply
    555,478.62x = 833,261.13 × 181,539.42
  4. Step 4: Simplify right side
    555,478.62x = 151,269,742,248.75
  5. Step 5: Solve for x
    x = 151,269,742,248.75/555,478.62
  6. Step 6: Final answer
    x = 272,323.25

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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.