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Finding the Fourth Proportional to 671,962.72, 927,319.68 and 370,156.96

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Solution

The fourth proportional to 671,962.72, 927,319.68 and 370,156.96 is: 510,822.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,962.72 : 927,319.68 = 370,156.96 : x
  2. Step 2: Convert to fraction form
    671,962.72/927,319.68 = 370,156.96/x
  3. Step 3: Cross multiply
    671,962.72x = 927,319.68 × 370,156.96
  4. Step 4: Simplify right side
    671,962.72x = 343,253,833,696.97
  5. Step 5: Solve for x
    x = 343,253,833,696.97/671,962.72
  6. Step 6: Final answer
    x = 510,822.73

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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.