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Finding the Fourth Proportional to 358,347.94, 537,854.21 and 180,979.40

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Solution

The fourth proportional to 358,347.94, 537,854.21 and 180,979.40 is: 271,636.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,347.94 : 537,854.21 = 180,979.40 : x
  2. Step 2: Convert to fraction form
    358,347.94/537,854.21 = 180,979.40/x
  3. Step 3: Cross multiply
    358,347.94x = 537,854.21 × 180,979.40
  4. Step 4: Simplify right side
    358,347.94x = 97,340,532,213.27
  5. Step 5: Solve for x
    x = 97,340,532,213.27/358,347.94
  6. Step 6: Final answer
    x = 271,636.92

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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.