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Finding the Fourth Proportional to 571,247.52, 856,698.73 and 171,782.25

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Solution

The fourth proportional to 571,247.52, 856,698.73 and 171,782.25 is: 257,621.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,247.52 : 856,698.73 = 171,782.25 : x
  2. Step 2: Convert to fraction form
    571,247.52/856,698.73 = 171,782.25/x
  3. Step 3: Cross multiply
    571,247.52x = 856,698.73 × 171,782.25
  4. Step 4: Simplify right side
    571,247.52x = 147,165,637,554.67
  5. Step 5: Solve for x
    x = 147,165,637,554.67/571,247.52
  6. Step 6: Final answer
    x = 257,621.49

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1.5x scale

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.