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Finding the Fourth Proportional to 334,085.70, 501,128.55 and 219,924.30

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Solution

The fourth proportional to 334,085.70, 501,128.55 and 219,924.30 is: 329,886.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,085.70 : 501,128.55 = 219,924.30 : x
  2. Step 2: Convert to fraction form
    334,085.70/501,128.55 = 219,924.30/x
  3. Step 3: Cross multiply
    334,085.70x = 501,128.55 × 219,924.30
  4. Step 4: Simplify right side
    334,085.70x = 110,210,345,568.77
  5. Step 5: Solve for x
    x = 110,210,345,568.77/334,085.70
  6. Step 6: Final answer
    x = 329,886.45

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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.