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Finding the Fourth Proportional to 671,827.95, 927,122.57 and 370,021.95

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Solution

The fourth proportional to 671,827.95, 927,122.57 and 370,021.95 is: 510,630.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,827.95 : 927,122.57 = 370,021.95 : x
  2. Step 2: Convert to fraction form
    671,827.95/927,122.57 = 370,021.95/x
  3. Step 3: Cross multiply
    671,827.95x = 927,122.57 × 370,021.95
  4. Step 4: Simplify right side
    671,827.95x = 343,055,701,240.41
  5. Step 5: Solve for x
    x = 343,055,701,240.41/671,827.95
  6. Step 6: Final answer
    x = 510,630.29

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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.