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Finding the Fourth Proportional to 573,307.80, 859,961.70 and 173,929.20

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Solution

The fourth proportional to 573,307.80, 859,961.70 and 173,929.20 is: 260,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,307.80 : 859,961.70 = 173,929.20 : x
  2. Step 2: Convert to fraction form
    573,307.80/859,961.70 = 173,929.20/x
  3. Step 3: Cross multiply
    573,307.80x = 859,961.70 × 173,929.20
  4. Step 4: Simplify right side
    573,307.80x = 149,572,450,511.64
  5. Step 5: Solve for x
    x = 149,572,450,511.64/573,307.80
  6. Step 6: Final answer
    x = 260,893.80

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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.