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Finding the Fourth Proportional to 531,071.30, 796,606.21 and 246,606.30

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Solution

The fourth proportional to 531,071.30, 796,606.21 and 246,606.30 is: 369,909.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,071.30 : 796,606.21 = 246,606.30 : x
  2. Step 2: Convert to fraction form
    531,071.30/796,606.21 = 246,606.30/x
  3. Step 3: Cross multiply
    531,071.30x = 796,606.21 × 246,606.30
  4. Step 4: Simplify right side
    531,071.30x = 196,448,110,005.12
  5. Step 5: Solve for x
    x = 196,448,110,005.12/531,071.30
  6. Step 6: Final answer
    x = 369,909.11

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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.