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Finding the Fourth Proportional to 702,485.80, 1,053,728.70 and 562,517.80

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Solution

The fourth proportional to 702,485.80, 1,053,728.70 and 562,517.80 is: 843,776.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,485.80 : 1,053,728.70 = 562,517.80 : x
  2. Step 2: Convert to fraction form
    702,485.80/1,053,728.70 = 562,517.80/x
  3. Step 3: Cross multiply
    702,485.80x = 1,053,728.70 × 562,517.80
  4. Step 4: Simplify right side
    702,485.80x = 592,741,150,120.86
  5. Step 5: Solve for x
    x = 592,741,150,120.86/702,485.80
  6. Step 6: Final answer
    x = 843,776.70

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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.