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Finding the Fourth Proportional to 350,404.92, 525,672.90 and 163,416.42

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Solution

The fourth proportional to 350,404.92, 525,672.90 and 163,416.42 is: 245,155.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,404.92 : 525,672.90 = 163,416.42 : x
  2. Step 2: Convert to fraction form
    350,404.92/525,672.90 = 163,416.42/x
  3. Step 3: Cross multiply
    350,404.92x = 525,672.90 × 163,416.42
  4. Step 4: Simplify right side
    350,404.92x = 85,903,583,409.02
  5. Step 5: Solve for x
    x = 85,903,583,409.02/350,404.92
  6. Step 6: Final answer
    x = 245,155.19

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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.