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Finding the Fourth Proportional to 545,846.50, 818,656.98 and 146,392.31

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Solution

The fourth proportional to 545,846.50, 818,656.98 and 146,392.31 is: 219,558.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,846.50 : 818,656.98 = 146,392.31 : x
  2. Step 2: Convert to fraction form
    545,846.50/818,656.98 = 146,392.31/x
  3. Step 3: Cross multiply
    545,846.50x = 818,656.98 × 146,392.31
  4. Step 4: Simplify right side
    545,846.50x = 119,845,087,897.50
  5. Step 5: Solve for x
    x = 119,845,087,897.50/545,846.50
  6. Step 6: Final answer
    x = 219,558.23

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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.