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Finding the Fourth Proportional to 631,741.36, 947,472.88 and 182,364.64

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Solution

The fourth proportional to 631,741.36, 947,472.88 and 182,364.64 is: 273,506.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,741.36 : 947,472.88 = 182,364.64 : x
  2. Step 2: Convert to fraction form
    631,741.36/947,472.88 = 182,364.64/x
  3. Step 3: Cross multiply
    631,741.36x = 947,472.88 × 182,364.64
  4. Step 4: Simplify right side
    631,741.36x = 172,785,550,670.96
  5. Step 5: Solve for x
    x = 172,785,550,670.96/631,741.36
  6. Step 6: Final answer
    x = 273,506.79

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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.