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Finding the Fourth Proportional to 352,441.32, 528,765.66 and 141,970.92

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Solution

The fourth proportional to 352,441.32, 528,765.66 and 141,970.92 is: 212,998.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,441.32 : 528,765.66 = 141,970.92 : x
  2. Step 2: Convert to fraction form
    352,441.32/528,765.66 = 141,970.92/x
  3. Step 3: Cross multiply
    352,441.32x = 528,765.66 × 141,970.92
  4. Step 4: Simplify right side
    352,441.32x = 75,069,347,214.61
  5. Step 5: Solve for x
    x = 75,069,347,214.61/352,441.32
  6. Step 6: Final answer
    x = 212,998.14

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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.