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Finding the Fourth Proportional to 406,374.27, 609,618.56 and 169,663.11

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Solution

The fourth proportional to 406,374.27, 609,618.56 and 169,663.11 is: 254,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,374.27 : 609,618.56 = 169,663.11 : x
  2. Step 2: Convert to fraction form
    406,374.27/609,618.56 = 169,663.11/x
  3. Step 3: Cross multiply
    406,374.27x = 609,618.56 × 169,663.11
  4. Step 4: Simplify right side
    406,374.27x = 103,429,779,955.01
  5. Step 5: Solve for x
    x = 103,429,779,955.01/406,374.27
  6. Step 6: Final answer
    x = 254,518.53

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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.