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Finding the Fourth Proportional to 562,039.28, 775,706.02 and 417,803.12

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Solution

The fourth proportional to 562,039.28, 775,706.02 and 417,803.12 is: 576,636.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,039.28 : 775,706.02 = 417,803.12 : x
  2. Step 2: Convert to fraction form
    562,039.28/775,706.02 = 417,803.12/x
  3. Step 3: Cross multiply
    562,039.28x = 775,706.02 × 417,803.12
  4. Step 4: Simplify right side
    562,039.28x = 324,092,395,358.78
  5. Step 5: Solve for x
    x = 324,092,395,358.78/562,039.28
  6. Step 6: Final answer
    x = 576,636.56

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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.