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Finding the Fourth Proportional to 334,285.45, 501,429.26 and 84,967.45

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Solution

The fourth proportional to 334,285.45, 501,429.26 and 84,967.45 is: 127,451.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,285.45 : 501,429.26 = 84,967.45 : x
  2. Step 2: Convert to fraction form
    334,285.45/501,429.26 = 84,967.45/x
  3. Step 3: Cross multiply
    334,285.45x = 501,429.26 × 84,967.45
  4. Step 4: Simplify right side
    334,285.45x = 42,605,165,577.59
  5. Step 5: Solve for x
    x = 42,605,165,577.59/334,285.45
  6. Step 6: Final answer
    x = 127,451.45

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1.5x scale

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.