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Finding the Fourth Proportional to 458,160.03, 630,018.80 and 397,625.58

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Solution

The fourth proportional to 458,160.03, 630,018.80 and 397,625.58 is: 546,777.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,160.03 : 630,018.80 = 397,625.58 : x
  2. Step 2: Convert to fraction form
    458,160.03/630,018.80 = 397,625.58/x
  3. Step 3: Cross multiply
    458,160.03x = 630,018.80 × 397,625.58
  4. Step 4: Simplify right side
    458,160.03x = 250,511,590,760.90
  5. Step 5: Solve for x
    x = 250,511,590,760.90/458,160.03
  6. Step 6: Final answer
    x = 546,777.49

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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.