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Finding the Fourth Proportional to 851,594.80, 1,276,306.80 and 452,426.80

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Solution

The fourth proportional to 851,594.80, 1,276,306.80 and 452,426.80 is: 678,063.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,594.80 : 1,276,306.80 = 452,426.80 : x
  2. Step 2: Convert to fraction form
    851,594.80/1,276,306.80 = 452,426.80/x
  3. Step 3: Cross multiply
    851,594.80x = 1,276,306.80 × 452,426.80
  4. Step 4: Simplify right side
    851,594.80x = 577,435,401,342.24
  5. Step 5: Solve for x
    x = 577,435,401,342.24/851,594.80
  6. Step 6: Final answer
    x = 678,063.56

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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.