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Finding the Fourth Proportional to 503,605.15, 755,407.80 and 166,555.33

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Solution

The fourth proportional to 503,605.15, 755,407.80 and 166,555.33 is: 249,833.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,605.15 : 755,407.80 = 166,555.33 : x
  2. Step 2: Convert to fraction form
    503,605.15/755,407.80 = 166,555.33/x
  3. Step 3: Cross multiply
    503,605.15x = 755,407.80 × 166,555.33
  4. Step 4: Simplify right side
    503,605.15x = 125,817,193,525.06
  5. Step 5: Solve for x
    x = 125,817,193,525.06/503,605.15
  6. Step 6: Final answer
    x = 249,833.02

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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.