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Finding the Fourth Proportional to 851,592.80, 1,276,303.80 and 452,424.80

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Solution

The fourth proportional to 851,592.80, 1,276,303.80 and 452,424.80 is: 678,060.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,592.80 : 1,276,303.80 = 452,424.80 : x
  2. Step 2: Convert to fraction form
    851,592.80/1,276,303.80 = 452,424.80/x
  3. Step 3: Cross multiply
    851,592.80x = 1,276,303.80 × 452,424.80
  4. Step 4: Simplify right side
    851,592.80x = 577,431,491,454.24
  5. Step 5: Solve for x
    x = 577,431,491,454.24/851,592.80
  6. Step 6: Final answer
    x = 678,060.56

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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.