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Finding the Fourth Proportional to 631,722.72, 947,314.44 and 365,666.88

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Solution

The fourth proportional to 631,722.72, 947,314.44 and 365,666.88 is: 548,344.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,722.72 : 947,314.44 = 365,666.88 : x
  2. Step 2: Convert to fraction form
    631,722.72/947,314.44 = 365,666.88/x
  3. Step 3: Cross multiply
    631,722.72x = 947,314.44 × 365,666.88
  4. Step 4: Simplify right side
    631,722.72x = 346,401,515,653.75
  5. Step 5: Solve for x
    x = 346,401,515,653.75/631,722.72
  6. Step 6: Final answer
    x = 548,344.24

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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.