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Finding the Fourth Proportional to 590,884.30, 886,442.80 and 211,703.60

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Solution

The fourth proportional to 590,884.30, 886,442.80 and 211,703.60 is: 317,597.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,884.30 : 886,442.80 = 211,703.60 : x
  2. Step 2: Convert to fraction form
    590,884.30/886,442.80 = 211,703.60/x
  3. Step 3: Cross multiply
    590,884.30x = 886,442.80 × 211,703.60
  4. Step 4: Simplify right side
    590,884.30x = 187,663,133,640.93
  5. Step 5: Solve for x
    x = 187,663,133,640.93/590,884.30
  6. Step 6: Final answer
    x = 317,597.09

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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.