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Finding the Fourth Proportional to 713,008.51, 1,069,502.60 and 173,268.74

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Solution

The fourth proportional to 713,008.51, 1,069,502.60 and 173,268.74 is: 259,900.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,008.51 : 1,069,502.60 = 173,268.74 : x
  2. Step 2: Convert to fraction form
    713,008.51/1,069,502.60 = 173,268.74/x
  3. Step 3: Cross multiply
    713,008.51x = 1,069,502.60 × 173,268.74
  4. Step 4: Simplify right side
    713,008.51x = 185,311,371,035.65
  5. Step 5: Solve for x
    x = 185,311,371,035.65/713,008.51
  6. Step 6: Final answer
    x = 259,900.65

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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.