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Finding the Fourth Proportional to 334,287.58, 501,432.45 and 84,969.58

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Solution

The fourth proportional to 334,287.58, 501,432.45 and 84,969.58 is: 127,454.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,287.58 : 501,432.45 = 84,969.58 : x
  2. Step 2: Convert to fraction form
    334,287.58/501,432.45 = 84,969.58/x
  3. Step 3: Cross multiply
    334,287.58x = 501,432.45 × 84,969.58
  4. Step 4: Simplify right side
    334,287.58x = 42,606,504,674.87
  5. Step 5: Solve for x
    x = 42,606,504,674.87/334,287.58
  6. Step 6: Final answer
    x = 127,454.64

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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.