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Finding the Fourth Proportional to 852,028.80, 1,276,957.80 and 452,860.80

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Solution

The fourth proportional to 852,028.80, 1,276,957.80 and 452,860.80 is: 678,714.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,028.80 : 1,276,957.80 = 452,860.80 : x
  2. Step 2: Convert to fraction form
    852,028.80/1,276,957.80 = 452,860.80/x
  3. Step 3: Cross multiply
    852,028.80x = 1,276,957.80 × 452,860.80
  4. Step 4: Simplify right side
    852,028.80x = 578,284,130,874.24
  5. Step 5: Solve for x
    x = 578,284,130,874.24/852,028.80
  6. Step 6: Final answer
    x = 678,714.30

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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.