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Finding the Fourth Proportional to 503,403.80, 755,222.58 and 166,424.12

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Solution

The fourth proportional to 503,403.80, 755,222.58 and 166,424.12 is: 249,674.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,403.80 : 755,222.58 = 166,424.12 : x
  2. Step 2: Convert to fraction form
    503,403.80/755,222.58 = 166,424.12/x
  3. Step 3: Cross multiply
    503,403.80x = 755,222.58 × 166,424.12
  4. Step 4: Simplify right side
    503,403.80x = 125,687,253,280.63
  5. Step 5: Solve for x
    x = 125,687,253,280.63/503,403.80
  6. Step 6: Final answer
    x = 249,674.82

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1.5x scale

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.