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Finding the Fourth Proportional to 503,401.80, 755,219.58 and 166,422.12

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Solution

The fourth proportional to 503,401.80, 755,219.58 and 166,422.12 is: 249,671.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,401.80 : 755,219.58 = 166,422.12 : x
  2. Step 2: Convert to fraction form
    503,401.80/755,219.58 = 166,422.12/x
  3. Step 3: Cross multiply
    503,401.80x = 755,219.58 × 166,422.12
  4. Step 4: Simplify right side
    503,401.80x = 125,685,243,569.11
  5. Step 5: Solve for x
    x = 125,685,243,569.11/503,401.80
  6. Step 6: Final answer
    x = 249,671.82

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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.