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Finding the Fourth Proportional to 402,374.73, 603,655.52 and 118,053.80

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Solution

The fourth proportional to 402,374.73, 603,655.52 and 118,053.80 is: 177,108.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,374.73 : 603,655.52 = 118,053.80 : x
  2. Step 2: Convert to fraction form
    402,374.73/603,655.52 = 118,053.80/x
  3. Step 3: Cross multiply
    402,374.73x = 603,655.52 × 118,053.80
  4. Step 4: Simplify right side
    402,374.73x = 71,263,828,026.98
  5. Step 5: Solve for x
    x = 71,263,828,026.98/402,374.73
  6. Step 6: Final answer
    x = 177,108.11

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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.