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Finding the Fourth Proportional to 671,874.02, 927,186 and 370,068.02

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Solution

The fourth proportional to 671,874.02, 927,186 and 370,068.02 is: 510,693.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,874.02 : 927,186 = 370,068.02 : x
  2. Step 2: Convert to fraction form
    671,874.02/927,186 = 370,068.02/x
  3. Step 3: Cross multiply
    671,874.02x = 927,186 × 370,068.02
  4. Step 4: Simplify right side
    671,874.02x = 343,121,887,191.72
  5. Step 5: Solve for x
    x = 343,121,887,191.72/671,874.02
  6. Step 6: Final answer
    x = 510,693.79

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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.