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Finding the Fourth Proportional to 577,061.56, 796,328.68 and 322,412.76

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Solution

The fourth proportional to 577,061.56, 796,328.68 and 322,412.76 is: 444,920.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,061.56 : 796,328.68 = 322,412.76 : x
  2. Step 2: Convert to fraction form
    577,061.56/796,328.68 = 322,412.76/x
  3. Step 3: Cross multiply
    577,061.56x = 796,328.68 × 322,412.76
  4. Step 4: Simplify right side
    577,061.56x = 256,746,527,585.96
  5. Step 5: Solve for x
    x = 256,746,527,585.96/577,061.56
  6. Step 6: Final answer
    x = 444,920.52

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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.