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Finding the Fourth Proportional to 577,347.36, 796,776.72 and 322,709.28

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Solution

The fourth proportional to 577,347.36, 796,776.72 and 322,709.28 is: 445,359.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,347.36 : 796,776.72 = 322,709.28 : x
  2. Step 2: Convert to fraction form
    577,347.36/796,776.72 = 322,709.28/x
  3. Step 3: Cross multiply
    577,347.36x = 796,776.72 × 322,709.28
  4. Step 4: Simplify right side
    577,347.36x = 257,127,241,631.96
  5. Step 5: Solve for x
    x = 257,127,241,631.96/577,347.36
  6. Step 6: Final answer
    x = 445,359.69

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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.