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Finding the Fourth Proportional to 544,979.76, 817,525.38 and 208,303.80

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Solution

The fourth proportional to 544,979.76, 817,525.38 and 208,303.80 is: 312,477.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,979.76 : 817,525.38 = 208,303.80 : x
  2. Step 2: Convert to fraction form
    544,979.76/817,525.38 = 208,303.80/x
  3. Step 3: Cross multiply
    544,979.76x = 817,525.38 × 208,303.80
  4. Step 4: Simplify right side
    544,979.76x = 170,293,643,250.44
  5. Step 5: Solve for x
    x = 170,293,643,250.44/544,979.76
  6. Step 6: Final answer
    x = 312,477.01

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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.