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Finding the Fourth Proportional to 358,309.90, 537,483.66 and 92,072.17

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Solution

The fourth proportional to 358,309.90, 537,483.66 and 92,072.17 is: 138,113.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,309.90 : 537,483.66 = 92,072.17 : x
  2. Step 2: Convert to fraction form
    358,309.90/537,483.66 = 92,072.17/x
  3. Step 3: Cross multiply
    358,309.90x = 537,483.66 × 92,072.17
  4. Step 4: Simplify right side
    358,309.90x = 49,487,286,915.74
  5. Step 5: Solve for x
    x = 49,487,286,915.74/358,309.90
  6. Step 6: Final answer
    x = 138,113.09

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1.5x scale

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.