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Finding the Fourth Proportional to 450,710.55, 676,155.96 and 166,402.80

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Solution

The fourth proportional to 450,710.55, 676,155.96 and 166,402.80 is: 249,637.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,710.55 : 676,155.96 = 166,402.80 : x
  2. Step 2: Convert to fraction form
    450,710.55/676,155.96 = 166,402.80/x
  3. Step 3: Cross multiply
    450,710.55x = 676,155.96 × 166,402.80
  4. Step 4: Simplify right side
    450,710.55x = 112,514,244,980.69
  5. Step 5: Solve for x
    x = 112,514,244,980.69/450,710.55
  6. Step 6: Final answer
    x = 249,637.48

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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.