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Finding the Fourth Proportional to 364,811.60, 547,217.40 and 207,347.60

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Solution

The fourth proportional to 364,811.60, 547,217.40 and 207,347.60 is: 311,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,811.60 : 547,217.40 = 207,347.60 : x
  2. Step 2: Convert to fraction form
    364,811.60/547,217.40 = 207,347.60/x
  3. Step 3: Cross multiply
    364,811.60x = 547,217.40 × 207,347.60
  4. Step 4: Simplify right side
    364,811.60x = 113,464,214,568.24
  5. Step 5: Solve for x
    x = 113,464,214,568.24/364,811.60
  6. Step 6: Final answer
    x = 311,021.40

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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.