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Finding the Fourth Proportional to 610,236.08, 915,129.48 and 210,774.32

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Solution

The fourth proportional to 610,236.08, 915,129.48 and 210,774.32 is: 316,083.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,236.08 : 915,129.48 = 210,774.32 : x
  2. Step 2: Convert to fraction form
    610,236.08/915,129.48 = 210,774.32/x
  3. Step 3: Cross multiply
    610,236.08x = 915,129.48 × 210,774.32
  4. Step 4: Simplify right side
    610,236.08x = 192,885,793,858.95
  5. Step 5: Solve for x
    x = 192,885,793,858.95/610,236.08
  6. Step 6: Final answer
    x = 316,083.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.