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Finding the Fourth Proportional to 703,722.67, 971,113.66 and 417,072.58

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Solution

The fourth proportional to 703,722.67, 971,113.66 and 417,072.58 is: 575,546.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,722.67 : 971,113.66 = 417,072.58 : x
  2. Step 2: Convert to fraction form
    703,722.67/971,113.66 = 417,072.58/x
  3. Step 3: Cross multiply
    703,722.67x = 971,113.66 × 417,072.58
  4. Step 4: Simplify right side
    703,722.67x = 405,024,879,649.44
  5. Step 5: Solve for x
    x = 405,024,879,649.44/703,722.67
  6. Step 6: Final answer
    x = 575,546.16

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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.