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Finding the Fourth Proportional to 506,608.77, 699,005.66 and 302,619.77

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Solution

The fourth proportional to 506,608.77, 699,005.66 and 302,619.77 is: 417,546.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,608.77 : 699,005.66 = 302,619.77 : x
  2. Step 2: Convert to fraction form
    506,608.77/699,005.66 = 302,619.77/x
  3. Step 3: Cross multiply
    506,608.77x = 699,005.66 × 302,619.77
  4. Step 4: Simplify right side
    506,608.77x = 211,532,927,049.77
  5. Step 5: Solve for x
    x = 211,532,927,049.77/506,608.77
  6. Step 6: Final answer
    x = 417,546.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.