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Finding the Fourth Proportional to 578,014.80, 867,022.20 and 532,395.60

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Solution

The fourth proportional to 578,014.80, 867,022.20 and 532,395.60 is: 798,593.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,014.80 : 867,022.20 = 532,395.60 : x
  2. Step 2: Convert to fraction form
    578,014.80/867,022.20 = 532,395.60/x
  3. Step 3: Cross multiply
    578,014.80x = 867,022.20 × 532,395.60
  4. Step 4: Simplify right side
    578,014.80x = 461,598,804,382.32
  5. Step 5: Solve for x
    x = 461,598,804,382.32/578,014.80
  6. Step 6: Final answer
    x = 798,593.40

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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.