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Finding the Fourth Proportional to 503,343.22, 755,145.51 and 187,802.50

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Solution

The fourth proportional to 503,343.22, 755,145.51 and 187,802.50 is: 281,752.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,343.22 : 755,145.51 = 187,802.50 : x
  2. Step 2: Convert to fraction form
    503,343.22/755,145.51 = 187,802.50/x
  3. Step 3: Cross multiply
    503,343.22x = 755,145.51 × 187,802.50
  4. Step 4: Simplify right side
    503,343.22x = 141,818,214,641.78
  5. Step 5: Solve for x
    x = 141,818,214,641.78/503,343.22
  6. Step 6: Final answer
    x = 281,752.51

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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.