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Finding the Fourth Proportional to 260,680.68, 359,746.92 and 147,501

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Solution

The fourth proportional to 260,680.68, 359,746.92 and 147,501 is: 203,555.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,680.68 : 359,746.92 = 147,501 : x
  2. Step 2: Convert to fraction form
    260,680.68/359,746.92 = 147,501/x
  3. Step 3: Cross multiply
    260,680.68x = 359,746.92 × 147,501
  4. Step 4: Simplify right side
    260,680.68x = 53,063,030,446.92
  5. Step 5: Solve for x
    x = 53,063,030,446.92/260,680.68
  6. Step 6: Final answer
    x = 203,555.67

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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.