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Finding the Fourth Proportional to 472,368.51, 652,097.43 and 300,418.38

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Solution

The fourth proportional to 472,368.51, 652,097.43 and 300,418.38 is: 414,722.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,368.51 : 652,097.43 = 300,418.38 : x
  2. Step 2: Convert to fraction form
    472,368.51/652,097.43 = 300,418.38/x
  3. Step 3: Cross multiply
    472,368.51x = 652,097.43 × 300,418.38
  4. Step 4: Simplify right side
    472,368.51x = 195,902,053,522.76
  5. Step 5: Solve for x
    x = 195,902,053,522.76/472,368.51
  6. Step 6: Final answer
    x = 414,722.93

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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.