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Finding the Fourth Proportional to 673,224.94, 929,132.10 and 491,846.10

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Solution

The fourth proportional to 673,224.94, 929,132.10 and 491,846.10 is: 678,807.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,224.94 : 929,132.10 = 491,846.10 : x
  2. Step 2: Convert to fraction form
    673,224.94/929,132.10 = 491,846.10/x
  3. Step 3: Cross multiply
    673,224.94x = 929,132.10 × 491,846.10
  4. Step 4: Simplify right side
    673,224.94x = 456,989,999,769.81
  5. Step 5: Solve for x
    x = 456,989,999,769.81/673,224.94
  6. Step 6: Final answer
    x = 678,807.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.