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Finding the Fourth Proportional to 352,340.40, 528,856.20 and 175,047.60

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Solution

The fourth proportional to 352,340.40, 528,856.20 and 175,047.60 is: 262,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,340.40 : 528,856.20 = 175,047.60 : x
  2. Step 2: Convert to fraction form
    352,340.40/528,856.20 = 175,047.60/x
  3. Step 3: Cross multiply
    352,340.40x = 528,856.20 × 175,047.60
  4. Step 4: Simplify right side
    352,340.40x = 92,575,008,555.12
  5. Step 5: Solve for x
    x = 92,575,008,555.12/352,340.40
  6. Step 6: Final answer
    x = 262,743.10

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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.