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Finding the Fourth Proportional to 571,614.32, 788,770.93 and 329,974.74

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Solution

The fourth proportional to 571,614.32, 788,770.93 and 329,974.74 is: 455,332.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,614.32 : 788,770.93 = 329,974.74 : x
  2. Step 2: Convert to fraction form
    571,614.32/788,770.93 = 329,974.74/x
  3. Step 3: Cross multiply
    571,614.32x = 788,770.93 × 329,974.74
  4. Step 4: Simplify right side
    571,614.32x = 260,274,480,896.44
  5. Step 5: Solve for x
    x = 260,274,480,896.44/571,614.32
  6. Step 6: Final answer
    x = 455,332.33

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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.