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Finding the Fourth Proportional to 479,318.51, 716,170.01 and 462,555.66

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Solution

The fourth proportional to 479,318.51, 716,170.01 and 462,555.66 is: 691,123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,318.51 : 716,170.01 = 462,555.66 : x
  2. Step 2: Convert to fraction form
    479,318.51/716,170.01 = 462,555.66/x
  3. Step 3: Cross multiply
    479,318.51x = 716,170.01 × 462,555.66
  4. Step 4: Simplify right side
    479,318.51x = 331,268,492,020.62
  5. Step 5: Solve for x
    x = 331,268,492,020.62/479,318.51
  6. Step 6: Final answer
    x = 691,123.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.