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Finding the Fourth Proportional to 456,676.23, 630,214.89 and 247,124.16

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Solution

The fourth proportional to 456,676.23, 630,214.89 and 247,124.16 is: 341,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,676.23 : 630,214.89 = 247,124.16 : x
  2. Step 2: Convert to fraction form
    456,676.23/630,214.89 = 247,124.16/x
  3. Step 3: Cross multiply
    456,676.23x = 630,214.89 × 247,124.16
  4. Step 4: Simplify right side
    456,676.23x = 155,741,324,384.03
  5. Step 5: Solve for x
    x = 155,741,324,384.03/456,676.23
  6. Step 6: Final answer
    x = 341,032.25

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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.