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Finding the Fourth Proportional to 358,220.40, 537,676.20 and 180,927.60

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Solution

The fourth proportional to 358,220.40, 537,676.20 and 180,927.60 is: 271,565.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,220.40 : 537,676.20 = 180,927.60 : x
  2. Step 2: Convert to fraction form
    358,220.40/537,676.20 = 180,927.60/x
  3. Step 3: Cross multiply
    358,220.40x = 537,676.20 × 180,927.60
  4. Step 4: Simplify right side
    358,220.40x = 97,280,464,443.12
  5. Step 5: Solve for x
    x = 97,280,464,443.12/358,220.40
  6. Step 6: Final answer
    x = 271,565.95

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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.