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Finding the Fourth Proportional to 576,932.79, 796,165.26 and 318,802.54

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Solution

The fourth proportional to 576,932.79, 796,165.26 and 318,802.54 is: 439,946.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,932.79 : 796,165.26 = 318,802.54 : x
  2. Step 2: Convert to fraction form
    576,932.79/796,165.26 = 318,802.54/x
  3. Step 3: Cross multiply
    576,932.79x = 796,165.26 × 318,802.54
  4. Step 4: Simplify right side
    576,932.79x = 253,819,507,147.76
  5. Step 5: Solve for x
    x = 253,819,507,147.76/576,932.79
  6. Step 6: Final answer
    x = 439,946.41

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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.