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Finding the Fourth Proportional to 403,277.90, 604,657.65 and 166,714.70

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Solution

The fourth proportional to 403,277.90, 604,657.65 and 166,714.70 is: 249,964.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,277.90 : 604,657.65 = 166,714.70 : x
  2. Step 2: Convert to fraction form
    403,277.90/604,657.65 = 166,714.70/x
  3. Step 3: Cross multiply
    403,277.90x = 604,657.65 × 166,714.70
  4. Step 4: Simplify right side
    403,277.90x = 100,805,318,722.46
  5. Step 5: Solve for x
    x = 100,805,318,722.46/403,277.90
  6. Step 6: Final answer
    x = 249,964.90

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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.