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Finding the Fourth Proportional to 562,039.27, 775,706.03 and 417,803.11

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Solution

The fourth proportional to 562,039.27, 775,706.03 and 417,803.11 is: 576,636.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,039.27 : 775,706.03 = 417,803.11 : x
  2. Step 2: Convert to fraction form
    562,039.27/775,706.03 = 417,803.11/x
  3. Step 3: Cross multiply
    562,039.27x = 775,706.03 × 417,803.11
  4. Step 4: Simplify right side
    562,039.27x = 324,092,391,779.75
  5. Step 5: Solve for x
    x = 324,092,391,779.75/562,039.27
  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.