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Finding the Fourth Proportional to 260,427.87, 359,388.51 and 147,254.67

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Solution

The fourth proportional to 260,427.87, 359,388.51 and 147,254.67 is: 203,210.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,427.87 : 359,388.51 = 147,254.67 : x
  2. Step 2: Convert to fraction form
    260,427.87/359,388.51 = 147,254.67/x
  3. Step 3: Cross multiply
    260,427.87x = 359,388.51 × 147,254.67
  4. Step 4: Simplify right side
    260,427.87x = 52,921,636,441.84
  5. Step 5: Solve for x
    x = 52,921,636,441.84/260,427.87
  6. Step 6: Final answer
    x = 203,210.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.