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Finding the Fourth Proportional to 671,853.96, 927,158.45 and 370,047.96

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Solution

The fourth proportional to 671,853.96, 927,158.45 and 370,047.96 is: 510,666.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,853.96 : 927,158.45 = 370,047.96 : x
  2. Step 2: Convert to fraction form
    671,853.96/927,158.45 = 370,047.96/x
  3. Step 3: Cross multiply
    671,853.96x = 927,158.45 × 370,047.96
  4. Step 4: Simplify right side
    671,853.96x = 343,093,091,169.02
  5. Step 5: Solve for x
    x = 343,093,091,169.02/671,853.96
  6. Step 6: Final answer
    x = 510,666.17

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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.