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Finding the Fourth Proportional to 575,457.80, 863,186.70 and 486,884.30

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Solution

The fourth proportional to 575,457.80, 863,186.70 and 486,884.30 is: 730,326.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,457.80 : 863,186.70 = 486,884.30 : x
  2. Step 2: Convert to fraction form
    575,457.80/863,186.70 = 486,884.30/x
  3. Step 3: Cross multiply
    575,457.80x = 863,186.70 × 486,884.30
  4. Step 4: Simplify right side
    575,457.80x = 420,272,052,198.81
  5. Step 5: Solve for x
    x = 420,272,052,198.81/575,457.80
  6. Step 6: Final answer
    x = 730,326.45

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Similar ratio
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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.