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Finding the Fourth Proportional to 631,167.11, 947,220.89 and 463,121.67

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Solution

The fourth proportional to 631,167.11, 947,220.89 and 463,121.67 is: 695,027.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,167.11 : 947,220.89 = 463,121.67 : x
  2. Step 2: Convert to fraction form
    631,167.11/947,220.89 = 463,121.67/x
  3. Step 3: Cross multiply
    631,167.11x = 947,220.89 × 463,121.67
  4. Step 4: Simplify right side
    631,167.11x = 438,678,518,120.08
  5. Step 5: Solve for x
    x = 438,678,518,120.08/631,167.11
  6. Step 6: Final answer
    x = 695,027.54

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Double scale
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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.