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Finding the Fourth Proportional to 653,627.44, 901,055.22 and 456,782.78

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Solution

The fourth proportional to 653,627.44, 901,055.22 and 456,782.78 is: 629,695.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,627.44 : 901,055.22 = 456,782.78 : x
  2. Step 2: Convert to fraction form
    653,627.44/901,055.22 = 456,782.78/x
  3. Step 3: Cross multiply
    653,627.44x = 901,055.22 × 456,782.78
  4. Step 4: Simplify right side
    653,627.44x = 411,586,508,864.81
  5. Step 5: Solve for x
    x = 411,586,508,864.81/653,627.44
  6. Step 6: Final answer
    x = 629,695.88

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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.