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Finding the Fourth Proportional to 457,194.89, 630,922.28 and 253,245.14

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Solution

The fourth proportional to 457,194.89, 630,922.28 and 253,245.14 is: 349,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,194.89 : 630,922.28 = 253,245.14 : x
  2. Step 2: Convert to fraction form
    457,194.89/630,922.28 = 253,245.14/x
  3. Step 3: Cross multiply
    457,194.89x = 630,922.28 × 253,245.14
  4. Step 4: Simplify right side
    457,194.89x = 159,778,001,127.72
  5. Step 5: Solve for x
    x = 159,778,001,127.72/457,194.89
  6. Step 6: Final answer
    x = 349,474.60

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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.