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Finding the Fourth Proportional to 674,168.67, 930,726.45 and 459,623.97

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Solution

The fourth proportional to 674,168.67, 930,726.45 and 459,623.97 is: 634,535.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,168.67 : 930,726.45 = 459,623.97 : x
  2. Step 2: Convert to fraction form
    674,168.67/930,726.45 = 459,623.97/x
  3. Step 3: Cross multiply
    674,168.67x = 930,726.45 × 459,623.97
  4. Step 4: Simplify right side
    674,168.67x = 427,784,185,933.01
  5. Step 5: Solve for x
    x = 427,784,185,933.01/674,168.67
  6. Step 6: Final answer
    x = 634,535.84

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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.