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Finding the Fourth Proportional to 434,080.80, 650,602.80 and 223,610.40

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Solution

The fourth proportional to 434,080.80, 650,602.80 and 223,610.40 is: 335,148.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,080.80 : 650,602.80 = 223,610.40 : x
  2. Step 2: Convert to fraction form
    434,080.80/650,602.80 = 223,610.40/x
  3. Step 3: Cross multiply
    434,080.80x = 650,602.80 × 223,610.40
  4. Step 4: Simplify right side
    434,080.80x = 145,481,552,349.12
  5. Step 5: Solve for x
    x = 145,481,552,349.12/434,080.80
  6. Step 6: Final answer
    x = 335,148.55

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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.