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Finding the Fourth Proportional to 487,950,754.54, 731,967,466.12 and 156,005,620.06

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Solution

The fourth proportional to 487,950,754.54, 731,967,466.12 and 156,005,620.06 is: 234,021,645.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,950,754.54 : 731,967,466.12 = 156,005,620.06 : x
  2. Step 2: Convert to fraction form
    487,950,754.54/731,967,466.12 = 156,005,620.06/x
  3. Step 3: Cross multiply
    487,950,754.54x = 731,967,466.12 × 156,005,620.06
  4. Step 4: Simplify right side
    487,950,754.54x = 114,191,038,415,797,648
  5. Step 5: Solve for x
    x = 114,191,038,415,797,648/487,950,754.54
  6. Step 6: Final answer
    x = 234,021,645.33

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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.