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Finding the Fourth Proportional to 479,526.83, 661,699.90 and 264,653.02

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Solution

The fourth proportional to 479,526.83, 661,699.90 and 264,653.02 is: 365,195.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,526.83 : 661,699.90 = 264,653.02 : x
  2. Step 2: Convert to fraction form
    479,526.83/661,699.90 = 264,653.02/x
  3. Step 3: Cross multiply
    479,526.83x = 661,699.90 × 264,653.02
  4. Step 4: Simplify right side
    479,526.83x = 175,120,876,868.70
  5. Step 5: Solve for x
    x = 175,120,876,868.70/479,526.83
  6. Step 6: Final answer
    x = 365,195.16

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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.