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Finding the Fourth Proportional to 603,657.80, 832,866.10 and 361,852.15

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Solution

The fourth proportional to 603,657.80, 832,866.10 and 361,852.15 is: 499,247.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,657.80 : 832,866.10 = 361,852.15 : x
  2. Step 2: Convert to fraction form
    603,657.80/832,866.10 = 361,852.15/x
  3. Step 3: Cross multiply
    603,657.80x = 832,866.10 × 361,852.15
  4. Step 4: Simplify right side
    603,657.80x = 301,374,384,782.79
  5. Step 5: Solve for x
    x = 301,374,384,782.79/603,657.80
  6. Step 6: Final answer
    x = 499,247.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.