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Finding the Fourth Proportional to 558,716, 770,893.62 and 329,282.42

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Solution

The fourth proportional to 558,716, 770,893.62 and 329,282.42 is: 454,330.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,716 : 770,893.62 = 329,282.42 : x
  2. Step 2: Convert to fraction form
    558,716/770,893.62 = 329,282.42/x
  3. Step 3: Cross multiply
    558,716x = 770,893.62 × 329,282.42
  4. Step 4: Simplify right side
    558,716x = 253,841,716,756.16
  5. Step 5: Solve for x
    x = 253,841,716,756.16/558,716
  6. Step 6: Final answer
    x = 454,330.49

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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.