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Finding the Fourth Proportional to 603,666.46, 832,878.04 and 361,860.80

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Solution

The fourth proportional to 603,666.46, 832,878.04 and 361,860.80 is: 499,259.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,666.46 : 832,878.04 = 361,860.80 : x
  2. Step 2: Convert to fraction form
    603,666.46/832,878.04 = 361,860.80/x
  3. Step 3: Cross multiply
    603,666.46x = 832,878.04 × 361,860.80
  4. Step 4: Simplify right side
    603,666.46x = 301,385,913,856.83
  5. Step 5: Solve for x
    x = 301,385,913,856.83/603,666.46
  6. Step 6: Final answer
    x = 499,259.00

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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.