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Finding the Fourth Proportional to 835,652.65, 1,153,200.65 and 453,679.43

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Solution

The fourth proportional to 835,652.65, 1,153,200.65 and 453,679.43 is: 626,077.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,652.65 : 1,153,200.65 = 453,679.43 : x
  2. Step 2: Convert to fraction form
    835,652.65/1,153,200.65 = 453,679.43/x
  3. Step 3: Cross multiply
    835,652.65x = 1,153,200.65 × 453,679.43
  4. Step 4: Simplify right side
    835,652.65x = 523,183,412,019.98
  5. Step 5: Solve for x
    x = 523,183,412,019.98/835,652.65
  6. Step 6: Final answer
    x = 626,077.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.