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Finding the Fourth Proportional to 504,143.76, 695,183.40 and 453,366.48

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Solution

The fourth proportional to 504,143.76, 695,183.40 and 453,366.48 is: 625,164.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,143.76 : 695,183.40 = 453,366.48 : x
  2. Step 2: Convert to fraction form
    504,143.76/695,183.40 = 453,366.48/x
  3. Step 3: Cross multiply
    504,143.76x = 695,183.40 × 453,366.48
  4. Step 4: Simplify right side
    504,143.76x = 315,172,851,012.43
  5. Step 5: Solve for x
    x = 315,172,851,012.43/504,143.76
  6. Step 6: Final answer
    x = 625,164.64

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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.