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Finding the Fourth Proportional to 501,603.66, 692,211.15 and 275,252.94

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Solution

The fourth proportional to 501,603.66, 692,211.15 and 275,252.94 is: 379,848.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,603.66 : 692,211.15 = 275,252.94 : x
  2. Step 2: Convert to fraction form
    501,603.66/692,211.15 = 275,252.94/x
  3. Step 3: Cross multiply
    501,603.66x = 692,211.15 × 275,252.94
  4. Step 4: Simplify right side
    501,603.66x = 190,533,154,138.28
  5. Step 5: Solve for x
    x = 190,533,154,138.28/501,603.66
  6. Step 6: Final answer
    x = 379,848.01

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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.