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Finding the Fourth Proportional to 403,269.53, 604,904.28 and 166,618.34

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Solution

The fourth proportional to 403,269.53, 604,904.28 and 166,618.34 is: 249,927.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,269.53 : 604,904.28 = 166,618.34 : x
  2. Step 2: Convert to fraction form
    403,269.53/604,904.28 = 166,618.34/x
  3. Step 3: Cross multiply
    403,269.53x = 604,904.28 × 166,618.34
  4. Step 4: Simplify right side
    403,269.53x = 100,788,143,967.97
  5. Step 5: Solve for x
    x = 100,788,143,967.97/403,269.53
  6. Step 6: Final answer
    x = 249,927.50

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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.