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Finding the Fourth Proportional to 548,052.90, 822,079.35 and 349,254.60

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Solution

The fourth proportional to 548,052.90, 822,079.35 and 349,254.60 is: 523,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,052.90 : 822,079.35 = 349,254.60 : x
  2. Step 2: Convert to fraction form
    548,052.90/822,079.35 = 349,254.60/x
  3. Step 3: Cross multiply
    548,052.90x = 822,079.35 × 349,254.60
  4. Step 4: Simplify right side
    548,052.90x = 287,114,994,552.51
  5. Step 5: Solve for x
    x = 287,114,994,552.51/548,052.90
  6. Step 6: Final answer
    x = 523,881.90

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.