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Finding the Fourth Proportional to 589,196.80, 884,140.80 and 215,257.60

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Solution

The fourth proportional to 589,196.80, 884,140.80 and 215,257.60 is: 323,012.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,196.80 : 884,140.80 = 215,257.60 : x
  2. Step 2: Convert to fraction form
    589,196.80/884,140.80 = 215,257.60/x
  3. Step 3: Cross multiply
    589,196.80x = 884,140.80 × 215,257.60
  4. Step 4: Simplify right side
    589,196.80x = 190,318,026,670.08
  5. Step 5: Solve for x
    x = 190,318,026,670.08/589,196.80
  6. Step 6: Final answer
    x = 323,012.66

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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.