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Finding the Fourth Proportional to 458,184.63, 630,052.65 and 397,650.14

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Solution

The fourth proportional to 458,184.63, 630,052.65 and 397,650.14 is: 546,811.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,184.63 : 630,052.65 = 397,650.14 : x
  2. Step 2: Convert to fraction form
    458,184.63/630,052.65 = 397,650.14/x
  3. Step 3: Cross multiply
    458,184.63x = 630,052.65 × 397,650.14
  4. Step 4: Simplify right side
    458,184.63x = 250,540,521,329.61
  5. Step 5: Solve for x
    x = 250,540,521,329.61/458,184.63
  6. Step 6: Final answer
    x = 546,811.27

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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.