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Finding the Fourth Proportional to 341,699.20, 512,548.80 and 223,734.40

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Solution

The fourth proportional to 341,699.20, 512,548.80 and 223,734.40 is: 335,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,699.20 : 512,548.80 = 223,734.40 : x
  2. Step 2: Convert to fraction form
    341,699.20/512,548.80 = 223,734.40/x
  3. Step 3: Cross multiply
    341,699.20x = 512,548.80 × 223,734.40
  4. Step 4: Simplify right side
    341,699.20x = 114,674,798,238.72
  5. Step 5: Solve for x
    x = 114,674,798,238.72/341,699.20
  6. Step 6: Final answer
    x = 335,601.60

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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.