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Finding the Fourth Proportional to 577,409.28, 796,429.44 and 376,477.44

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Solution

The fourth proportional to 577,409.28, 796,429.44 and 376,477.44 is: 519,281.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,409.28 : 796,429.44 = 376,477.44 : x
  2. Step 2: Convert to fraction form
    577,409.28/796,429.44 = 376,477.44/x
  3. Step 3: Cross multiply
    577,409.28x = 796,429.44 × 376,477.44
  4. Step 4: Simplify right side
    577,409.28x = 299,837,716,711.83
  5. Step 5: Solve for x
    x = 299,837,716,711.83/577,409.28
  6. Step 6: Final answer
    x = 519,281.08

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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.