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Finding the Fourth Proportional to 590,121.21, 885,181.01 and 235,384.32

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Solution

The fourth proportional to 590,121.21, 885,181.01 and 235,384.32 is: 353,076.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,121.21 : 885,181.01 = 235,384.32 : x
  2. Step 2: Convert to fraction form
    590,121.21/885,181.01 = 235,384.32/x
  3. Step 3: Cross multiply
    590,121.21x = 885,181.01 × 235,384.32
  4. Step 4: Simplify right side
    590,121.21x = 208,357,728,938.84
  5. Step 5: Solve for x
    x = 208,357,728,938.84/590,121.21
  6. Step 6: Final answer
    x = 353,076.16

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Double scale
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Similar ratio
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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.