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Finding the Fourth Proportional to 457,466.38, 631,307.24 and 253,520.63

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Solution

The fourth proportional to 457,466.38, 631,307.24 and 253,520.63 is: 349,860.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,466.38 : 631,307.24 = 253,520.63 : x
  2. Step 2: Convert to fraction form
    457,466.38/631,307.24 = 253,520.63/x
  3. Step 3: Cross multiply
    457,466.38x = 631,307.24 × 253,520.63
  4. Step 4: Simplify right side
    457,466.38x = 160,049,406,685.63
  5. Step 5: Solve for x
    x = 160,049,406,685.63/457,466.38
  6. Step 6: Final answer
    x = 349,860.48

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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.