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Finding the Fourth Proportional to 666,272.25, 919,463.00 and 364,466.25

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Solution

The fourth proportional to 666,272.25, 919,463.00 and 364,466.25 is: 502,967.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,272.25 : 919,463.00 = 364,466.25 : x
  2. Step 2: Convert to fraction form
    666,272.25/919,463.00 = 364,466.25/x
  3. Step 3: Cross multiply
    666,272.25x = 919,463.00 × 364,466.25
  4. Step 4: Simplify right side
    666,272.25x = 335,113,229,801.42
  5. Step 5: Solve for x
    x = 335,113,229,801.42/666,272.25
  6. Step 6: Final answer
    x = 502,967.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.