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Finding the Fourth Proportional to 562,450.91, 843,681.83 and 141,726.78

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Solution

The fourth proportional to 562,450.91, 843,681.83 and 141,726.78 is: 212,591.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,450.91 : 843,681.83 = 141,726.78 : x
  2. Step 2: Convert to fraction form
    562,450.91/843,681.83 = 141,726.78/x
  3. Step 3: Cross multiply
    562,450.91x = 843,681.83 × 141,726.78
  4. Step 4: Simplify right side
    562,450.91x = 119,572,308,401.77
  5. Step 5: Solve for x
    x = 119,572,308,401.77/562,450.91
  6. Step 6: Final answer
    x = 212,591.55

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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.