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Finding the Fourth Proportional to 372,790.39, 514,457.59 and 207,233.94

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Solution

The fourth proportional to 372,790.39, 514,457.59 and 207,233.94 is: 285,986.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,790.39 : 514,457.59 = 207,233.94 : x
  2. Step 2: Convert to fraction form
    372,790.39/514,457.59 = 207,233.94/x
  3. Step 3: Cross multiply
    372,790.39x = 514,457.59 × 207,233.94
  4. Step 4: Simplify right side
    372,790.39x = 106,613,071,088.99
  5. Step 5: Solve for x
    x = 106,613,071,088.99/372,790.39
  6. Step 6: Final answer
    x = 285,986.64

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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.