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Finding the Fourth Proportional to 358,392.71, 537,339.94 and 158,604.12

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Solution

The fourth proportional to 358,392.71, 537,339.94 and 158,604.12 is: 237,795.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,392.71 : 537,339.94 = 158,604.12 : x
  2. Step 2: Convert to fraction form
    358,392.71/537,339.94 = 158,604.12/x
  3. Step 3: Cross multiply
    358,392.71x = 537,339.94 × 158,604.12
  4. Step 4: Simplify right side
    358,392.71x = 85,224,327,928.04
  5. Step 5: Solve for x
    x = 85,224,327,928.04/358,392.71
  6. Step 6: Final answer
    x = 237,795.93

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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.