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Finding the Fourth Proportional to 562,286.79, 775,975.13 and 307,637.97

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Solution

The fourth proportional to 562,286.79, 775,975.13 and 307,637.97 is: 424,550.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,286.79 : 775,975.13 = 307,637.97 : x
  2. Step 2: Convert to fraction form
    562,286.79/775,975.13 = 307,637.97/x
  3. Step 3: Cross multiply
    562,286.79x = 775,975.13 × 307,637.97
  4. Step 4: Simplify right side
    562,286.79x = 238,719,412,225.50
  5. Step 5: Solve for x
    x = 238,719,412,225.50/562,286.79
  6. Step 6: Final answer
    x = 424,550.99

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Similar ratio
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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.