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Finding the Fourth Proportional to 516,743.64, 713,246.49 and 335,444.97

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Solution

The fourth proportional to 516,743.64, 713,246.49 and 335,444.97 is: 463,005.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,743.64 : 713,246.49 = 335,444.97 : x
  2. Step 2: Convert to fraction form
    516,743.64/713,246.49 = 335,444.97/x
  3. Step 3: Cross multiply
    516,743.64x = 713,246.49 × 335,444.97
  4. Step 4: Simplify right side
    516,743.64x = 239,254,947,440.66
  5. Step 5: Solve for x
    x = 239,254,947,440.66/516,743.64
  6. Step 6: Final answer
    x = 463,005.11

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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.