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Finding the Fourth Proportional to 570,085.20, 854,593.20 and 215,337.60

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Solution

The fourth proportional to 570,085.20, 854,593.20 and 215,337.60 is: 322,804.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,085.20 : 854,593.20 = 215,337.60 : x
  2. Step 2: Convert to fraction form
    570,085.20/854,593.20 = 215,337.60/x
  3. Step 3: Cross multiply
    570,085.20x = 854,593.20 × 215,337.60
  4. Step 4: Simplify right side
    570,085.20x = 184,026,048,664.32
  5. Step 5: Solve for x
    x = 184,026,048,664.32/570,085.20
  6. Step 6: Final answer
    x = 322,804.47

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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.