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Finding the Fourth Proportional to 334,288.58, 501,433.95 and 84,970.58

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Solution

The fourth proportional to 334,288.58, 501,433.95 and 84,970.58 is: 127,456.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,288.58 : 501,433.95 = 84,970.58 : x
  2. Step 2: Convert to fraction form
    334,288.58/501,433.95 = 84,970.58/x
  3. Step 3: Cross multiply
    334,288.58x = 501,433.95 × 84,970.58
  4. Step 4: Simplify right side
    334,288.58x = 42,607,133,563.19
  5. Step 5: Solve for x
    x = 42,607,133,563.19/334,288.58
  6. Step 6: Final answer
    x = 127,456.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.