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Finding the Fourth Proportional to 505,425.52, 697,194.84 and 326,577.52

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Solution

The fourth proportional to 505,425.52, 697,194.84 and 326,577.52 is: 450,488.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,425.52 : 697,194.84 = 326,577.52 : x
  2. Step 2: Convert to fraction form
    505,425.52/697,194.84 = 326,577.52/x
  3. Step 3: Cross multiply
    505,425.52x = 697,194.84 × 326,577.52
  4. Step 4: Simplify right side
    505,425.52x = 227,688,161,804.00
  5. Step 5: Solve for x
    x = 227,688,161,804.00/505,425.52
  6. Step 6: Final answer
    x = 450,488.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.