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Finding the Fourth Proportional to 570,064.70, 854,533.05 and 270,017.90

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Solution

The fourth proportional to 570,064.70, 854,533.05 and 270,017.90 is: 404,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,064.70 : 854,533.05 = 270,017.90 : x
  2. Step 2: Convert to fraction form
    570,064.70/854,533.05 = 270,017.90/x
  3. Step 3: Cross multiply
    570,064.70x = 854,533.05 × 270,017.90
  4. Step 4: Simplify right side
    570,064.70x = 230,739,219,641.60
  5. Step 5: Solve for x
    x = 230,739,219,641.60/570,064.70
  6. Step 6: Final answer
    x = 404,759.70

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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.