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Finding the Fourth Proportional to 631,841.49, 947,762.37 and 211,117.41

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Solution

The fourth proportional to 631,841.49, 947,762.37 and 211,117.41 is: 316,676.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,841.49 : 947,762.37 = 211,117.41 : x
  2. Step 2: Convert to fraction form
    631,841.49/947,762.37 = 211,117.41/x
  3. Step 3: Cross multiply
    631,841.49x = 947,762.37 × 211,117.41
  4. Step 4: Simplify right side
    631,841.49x = 200,089,136,849.86
  5. Step 5: Solve for x
    x = 200,089,136,849.86/631,841.49
  6. Step 6: Final answer
    x = 316,676.16

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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.