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Finding the Fourth Proportional to 451,168.38, 623,433.51 and 429,304.86

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Solution

The fourth proportional to 451,168.38, 623,433.51 and 429,304.86 is: 593,222.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,168.38 : 623,433.51 = 429,304.86 : x
  2. Step 2: Convert to fraction form
    451,168.38/623,433.51 = 429,304.86/x
  3. Step 3: Cross multiply
    451,168.38x = 623,433.51 × 429,304.86
  4. Step 4: Simplify right side
    451,168.38x = 267,643,035,729.86
  5. Step 5: Solve for x
    x = 267,643,035,729.86/451,168.38
  6. Step 6: Final answer
    x = 593,222.06

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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.