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Finding the Fourth Proportional to 578,293.50, 798,537.51 and 363,792.54

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Solution

The fourth proportional to 578,293.50, 798,537.51 and 363,792.54 is: 502,343.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,293.50 : 798,537.51 = 363,792.54 : x
  2. Step 2: Convert to fraction form
    578,293.50/798,537.51 = 363,792.54/x
  3. Step 3: Cross multiply
    578,293.50x = 798,537.51 × 363,792.54
  4. Step 4: Simplify right side
    578,293.50x = 290,501,989,048.18
  5. Step 5: Solve for x
    x = 290,501,989,048.18/578,293.50
  6. Step 6: Final answer
    x = 502,343.51

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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.