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Finding the Fourth Proportional to 570,109.56, 854,923.72 and 170,807.08

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Solution

The fourth proportional to 570,109.56, 854,923.72 and 170,807.08 is: 256,138.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,109.56 : 854,923.72 = 170,807.08 : x
  2. Step 2: Convert to fraction form
    570,109.56/854,923.72 = 170,807.08/x
  3. Step 3: Cross multiply
    570,109.56x = 854,923.72 × 170,807.08
  4. Step 4: Simplify right side
    570,109.56x = 146,027,024,235.94
  5. Step 5: Solve for x
    x = 146,027,024,235.94/570,109.56
  6. Step 6: Final answer
    x = 256,138.53

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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.