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Finding the Fourth Proportional to 458,160.53, 630,019.49 and 397,626.08

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Solution

The fourth proportional to 458,160.53, 630,019.49 and 397,626.08 is: 546,778.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,160.53 : 630,019.49 = 397,626.08 : x
  2. Step 2: Convert to fraction form
    458,160.53/630,019.49 = 397,626.08/x
  3. Step 3: Cross multiply
    458,160.53x = 630,019.49 × 397,626.08
  4. Step 4: Simplify right side
    458,160.53x = 250,512,180,132.30
  5. Step 5: Solve for x
    x = 250,512,180,132.30/458,160.53
  6. Step 6: Final answer
    x = 546,778.18

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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.