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Finding the Fourth Proportional to 507,001.11, 760,603.56 and 187,154.98

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Solution

The fourth proportional to 507,001.11, 760,603.56 and 187,154.98 is: 280,770.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,001.11 : 760,603.56 = 187,154.98 : x
  2. Step 2: Convert to fraction form
    507,001.11/760,603.56 = 187,154.98/x
  3. Step 3: Cross multiply
    507,001.11x = 760,603.56 × 187,154.98
  4. Step 4: Simplify right side
    507,001.11x = 142,350,743,123.95
  5. Step 5: Solve for x
    x = 142,350,743,123.95/507,001.11
  6. Step 6: Final answer
    x = 280,770.08

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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.