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Finding the Fourth Proportional to 435,078.50, 600,409.96 and 253,915.52

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Solution

The fourth proportional to 435,078.50, 600,409.96 and 253,915.52 is: 350,404.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,078.50 : 600,409.96 = 253,915.52 : x
  2. Step 2: Convert to fraction form
    435,078.50/600,409.96 = 253,915.52/x
  3. Step 3: Cross multiply
    435,078.50x = 600,409.96 × 253,915.52
  4. Step 4: Simplify right side
    435,078.50x = 152,453,407,206.58
  5. Step 5: Solve for x
    x = 152,453,407,206.58/435,078.50
  6. Step 6: Final answer
    x = 350,404.37

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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.