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Finding the Fourth Proportional to 364,544.40, 543,437.04 and 358,787.04

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Solution

The fourth proportional to 364,544.40, 543,437.04 and 358,787.04 is: 534,854.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,544.40 : 543,437.04 = 358,787.04 : x
  2. Step 2: Convert to fraction form
    364,544.40/543,437.04 = 358,787.04/x
  3. Step 3: Cross multiply
    364,544.40x = 543,437.04 × 358,787.04
  4. Step 4: Simplify right side
    364,544.40x = 194,978,167,007.96
  5. Step 5: Solve for x
    x = 194,978,167,007.96/364,544.40
  6. Step 6: Final answer
    x = 534,854.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.