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Finding the Fourth Proportional to 577,316.01, 796,682.33 and 322,690.89

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Solution

The fourth proportional to 577,316.01, 796,682.33 and 322,690.89 is: 445,305.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,316.01 : 796,682.33 = 322,690.89 : x
  2. Step 2: Convert to fraction form
    577,316.01/796,682.33 = 322,690.89/x
  3. Step 3: Cross multiply
    577,316.01x = 796,682.33 × 322,690.89
  4. Step 4: Simplify right side
    577,316.01x = 257,082,133,909.26
  5. Step 5: Solve for x
    x = 257,082,133,909.26/577,316.01
  6. Step 6: Final answer
    x = 445,305.74

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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.