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Finding the Fourth Proportional to 358,348.94, 537,855.71 and 180,980.40

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Solution

The fourth proportional to 358,348.94, 537,855.71 and 180,980.40 is: 271,638.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,348.94 : 537,855.71 = 180,980.40 : x
  2. Step 2: Convert to fraction form
    358,348.94/537,855.71 = 180,980.40/x
  3. Step 3: Cross multiply
    358,348.94x = 537,855.71 × 180,980.40
  4. Step 4: Simplify right side
    358,348.94x = 97,341,341,538.08
  5. Step 5: Solve for x
    x = 97,341,341,538.08/358,348.94
  6. Step 6: Final answer
    x = 271,638.42

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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.