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Finding the Fourth Proportional to 525,166.80, 787,750.20 and 324,837.60

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Solution

The fourth proportional to 525,166.80, 787,750.20 and 324,837.60 is: 487,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,166.80 : 787,750.20 = 324,837.60 : x
  2. Step 2: Convert to fraction form
    525,166.80/787,750.20 = 324,837.60/x
  3. Step 3: Cross multiply
    525,166.80x = 787,750.20 × 324,837.60
  4. Step 4: Simplify right side
    525,166.80x = 255,890,884,367.52
  5. Step 5: Solve for x
    x = 255,890,884,367.52/525,166.80
  6. Step 6: Final answer
    x = 487,256.40

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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.