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Finding the Fourth Proportional to 501,804.36, 692,802.18 and 348,794.28

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Solution

The fourth proportional to 501,804.36, 692,802.18 and 348,794.28 is: 481,553.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,804.36 : 692,802.18 = 348,794.28 : x
  2. Step 2: Convert to fraction form
    501,804.36/692,802.18 = 348,794.28/x
  3. Step 3: Cross multiply
    501,804.36x = 692,802.18 × 348,794.28
  4. Step 4: Simplify right side
    501,804.36x = 241,645,437,555.53
  5. Step 5: Solve for x
    x = 241,645,437,555.53/501,804.36
  6. Step 6: Final answer
    x = 481,553.08

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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.