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Finding the Fourth Proportional to 755,679.60, 1,133,254.80 and 223,059.60

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Solution

The fourth proportional to 755,679.60, 1,133,254.80 and 223,059.60 is: 334,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,679.60 : 1,133,254.80 = 223,059.60 : x
  2. Step 2: Convert to fraction form
    755,679.60/1,133,254.80 = 223,059.60/x
  3. Step 3: Cross multiply
    755,679.60x = 1,133,254.80 × 223,059.60
  4. Step 4: Simplify right side
    755,679.60x = 252,783,362,386.08
  5. Step 5: Solve for x
    x = 252,783,362,386.08/755,679.60
  6. Step 6: Final answer
    x = 334,511.30

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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.