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Finding the Fourth Proportional to 545,876.96, 818,702.51 and 146,422.76

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Solution

The fourth proportional to 545,876.96, 818,702.51 and 146,422.76 is: 219,603.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,876.96 : 818,702.51 = 146,422.76 : x
  2. Step 2: Convert to fraction form
    545,876.96/818,702.51 = 146,422.76/x
  3. Step 3: Cross multiply
    545,876.96x = 818,702.51 × 146,422.76
  4. Step 4: Simplify right side
    545,876.96x = 119,876,676,307.50
  5. Step 5: Solve for x
    x = 119,876,676,307.50/545,876.96
  6. Step 6: Final answer
    x = 219,603.84

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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.