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Finding the Fourth Proportional to 577,666.80, 797,201.93 and 323,017.38

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Solution

The fourth proportional to 577,666.80, 797,201.93 and 323,017.38 is: 445,776.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,666.80 : 797,201.93 = 323,017.38 : x
  2. Step 2: Convert to fraction form
    577,666.80/797,201.93 = 323,017.38/x
  3. Step 3: Cross multiply
    577,666.80x = 797,201.93 × 323,017.38
  4. Step 4: Simplify right side
    577,666.80x = 257,510,079,567.09
  5. Step 5: Solve for x
    x = 257,510,079,567.09/577,666.80
  6. Step 6: Final answer
    x = 445,776.15

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1.5x scale

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.