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Finding the Fourth Proportional to 503,503.65, 755,265.56 and 187,897.59

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Solution

The fourth proportional to 503,503.65, 755,265.56 and 187,897.59 is: 281,850.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,503.65 : 755,265.56 = 187,897.59 : x
  2. Step 2: Convert to fraction form
    503,503.65/755,265.56 = 187,897.59/x
  3. Step 3: Cross multiply
    503,503.65x = 755,265.56 × 187,897.59
  4. Step 4: Simplify right side
    503,503.65x = 141,912,577,594.51
  5. Step 5: Solve for x
    x = 141,912,577,594.51/503,503.65
  6. Step 6: Final answer
    x = 281,850.15

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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.