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Finding the Fourth Proportional to 260,567.92, 390,925.82 and 134,300.67

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Solution

The fourth proportional to 260,567.92, 390,925.82 and 134,300.67 is: 201,489.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,567.92 : 390,925.82 = 134,300.67 : x
  2. Step 2: Convert to fraction form
    260,567.92/390,925.82 = 134,300.67/x
  3. Step 3: Cross multiply
    260,567.92x = 390,925.82 × 134,300.67
  4. Step 4: Simplify right side
    260,567.92x = 52,501,599,546.30
  5. Step 5: Solve for x
    x = 52,501,599,546.30/260,567.92
  6. Step 6: Final answer
    x = 201,489.11

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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.