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Finding the Fourth Proportional to 341,509.92, 510,996.18 and 214,555.80

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Solution

The fourth proportional to 341,509.92, 510,996.18 and 214,555.80 is: 321,036.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,509.92 : 510,996.18 = 214,555.80 : x
  2. Step 2: Convert to fraction form
    341,509.92/510,996.18 = 214,555.80/x
  3. Step 3: Cross multiply
    341,509.92x = 510,996.18 × 214,555.80
  4. Step 4: Simplify right side
    341,509.92x = 109,637,194,196.84
  5. Step 5: Solve for x
    x = 109,637,194,196.84/341,509.92
  6. Step 6: Final answer
    x = 321,036.63

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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.