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Finding the Fourth Proportional to 631,165.12, 947,217.88 and 463,119.68

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Solution

The fourth proportional to 631,165.12, 947,217.88 and 463,119.68 is: 695,024.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,165.12 : 947,217.88 = 463,119.68 : x
  2. Step 2: Convert to fraction form
    631,165.12/947,217.88 = 463,119.68/x
  3. Step 3: Cross multiply
    631,165.12x = 947,217.88 × 463,119.68
  4. Step 4: Simplify right side
    631,165.12x = 438,675,241,475.88
  5. Step 5: Solve for x
    x = 438,675,241,475.88/631,165.12
  6. Step 6: Final answer
    x = 695,024.53

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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.