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Finding the Fourth Proportional to 548,536.40, 822,804.60 and 349,738.10

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Solution

The fourth proportional to 548,536.40, 822,804.60 and 349,738.10 is: 524,607.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,536.40 : 822,804.60 = 349,738.10 : x
  2. Step 2: Convert to fraction form
    548,536.40/822,804.60 = 349,738.10/x
  3. Step 3: Cross multiply
    548,536.40x = 822,804.60 × 349,738.10
  4. Step 4: Simplify right side
    548,536.40x = 287,766,117,475.26
  5. Step 5: Solve for x
    x = 287,766,117,475.26/548,536.40
  6. Step 6: Final answer
    x = 524,607.15

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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.