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Finding the Fourth Proportional to 541,804.40, 812,803.80 and 226,293.20

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Solution

The fourth proportional to 541,804.40, 812,803.80 and 226,293.20 is: 339,480.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,804.40 : 812,803.80 = 226,293.20 : x
  2. Step 2: Convert to fraction form
    541,804.40/812,803.80 = 226,293.20/x
  3. Step 3: Cross multiply
    541,804.40x = 812,803.80 × 226,293.20
  4. Step 4: Simplify right side
    541,804.40x = 183,931,972,874.16
  5. Step 5: Solve for x
    x = 183,931,972,874.16/541,804.40
  6. Step 6: Final answer
    x = 339,480.40

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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.