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Finding the Fourth Proportional to 631,596.50, 947,398.85 and 252,549.08

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Solution

The fourth proportional to 631,596.50, 947,398.85 and 252,549.08 is: 378,825.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,596.50 : 947,398.85 = 252,549.08 : x
  2. Step 2: Convert to fraction form
    631,596.50/947,398.85 = 252,549.08/x
  3. Step 3: Cross multiply
    631,596.50x = 947,398.85 × 252,549.08
  4. Step 4: Simplify right side
    631,596.50x = 239,264,701,960.82
  5. Step 5: Solve for x
    x = 239,264,701,960.82/631,596.50
  6. Step 6: Final answer
    x = 378,825.25

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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.