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Finding the Fourth Proportional to 459,012.29, 633,424.28 and 255,057.93

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Solution

The fourth proportional to 459,012.29, 633,424.28 and 255,057.93 is: 351,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,012.29 : 633,424.28 = 255,057.93 : x
  2. Step 2: Convert to fraction form
    459,012.29/633,424.28 = 255,057.93/x
  3. Step 3: Cross multiply
    459,012.29x = 633,424.28 × 255,057.93
  4. Step 4: Simplify right side
    459,012.29x = 161,559,884,393.25
  5. Step 5: Solve for x
    x = 161,559,884,393.25/459,012.29
  6. Step 6: Final answer
    x = 351,972.90

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Why These Related Problems?

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