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Finding the Fourth Proportional to 466,892.80, 700,339.20 and 289,745.80

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Solution

The fourth proportional to 466,892.80, 700,339.20 and 289,745.80 is: 434,618.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,892.80 : 700,339.20 = 289,745.80 : x
  2. Step 2: Convert to fraction form
    466,892.80/700,339.20 = 289,745.80/x
  3. Step 3: Cross multiply
    466,892.80x = 700,339.20 × 289,745.80
  4. Step 4: Simplify right side
    466,892.80x = 202,920,341,775.36
  5. Step 5: Solve for x
    x = 202,920,341,775.36/466,892.80
  6. Step 6: Final answer
    x = 434,618.70

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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.