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Finding the Fourth Proportional to 563,530.14, 777,751.38 and 348,739.56

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Solution

The fourth proportional to 563,530.14, 777,751.38 and 348,739.56 is: 481,309.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,530.14 : 777,751.38 = 348,739.56 : x
  2. Step 2: Convert to fraction form
    563,530.14/777,751.38 = 348,739.56/x
  3. Step 3: Cross multiply
    563,530.14x = 777,751.38 × 348,739.56
  4. Step 4: Simplify right side
    563,530.14x = 271,232,674,050.59
  5. Step 5: Solve for x
    x = 271,232,674,050.59/563,530.14
  6. Step 6: Final answer
    x = 481,309.97

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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.