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Finding the Fourth Proportional to 835,393.02, 1,152,843.42 and 453,419.91

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Solution

The fourth proportional to 835,393.02, 1,152,843.42 and 453,419.91 is: 625,720.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,393.02 : 1,152,843.42 = 453,419.91 : x
  2. Step 2: Convert to fraction form
    835,393.02/1,152,843.42 = 453,419.91/x
  3. Step 3: Cross multiply
    835,393.02x = 1,152,843.42 × 453,419.91
  4. Step 4: Simplify right side
    835,393.02x = 522,722,159,740.49
  5. Step 5: Solve for x
    x = 522,722,159,740.49/835,393.02
  6. Step 6: Final answer
    x = 625,720.05

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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.