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Finding the Fourth Proportional to 562,282.28, 775,968.92 and 307,633.46

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Solution

The fourth proportional to 562,282.28, 775,968.92 and 307,633.46 is: 424,544.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,282.28 : 775,968.92 = 307,633.46 : x
  2. Step 2: Convert to fraction form
    562,282.28/775,968.92 = 307,633.46/x
  3. Step 3: Cross multiply
    562,282.28x = 775,968.92 × 307,633.46
  4. Step 4: Simplify right side
    562,282.28x = 238,713,998,294.05
  5. Step 5: Solve for x
    x = 238,713,998,294.05/562,282.28
  6. Step 6: Final answer
    x = 424,544.77

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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.