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Finding the Fourth Proportional to 570,587.24, 855,964.31 and 171,259.58

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Solution

The fourth proportional to 570,587.24, 855,964.31 and 171,259.58 is: 256,914.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,587.24 : 855,964.31 = 171,259.58 : x
  2. Step 2: Convert to fraction form
    570,587.24/855,964.31 = 171,259.58/x
  3. Step 3: Cross multiply
    570,587.24x = 855,964.31 × 171,259.58
  4. Step 4: Simplify right side
    570,587.24x = 146,592,089,509.20
  5. Step 5: Solve for x
    x = 146,592,089,509.20/570,587.24
  6. Step 6: Final answer
    x = 256,914.42

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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.