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Finding the Fourth Proportional to 519,698.54, 717,169.47 and 293,365.10

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Solution

The fourth proportional to 519,698.54, 717,169.47 and 293,365.10 is: 404,835.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,698.54 : 717,169.47 = 293,365.10 : x
  2. Step 2: Convert to fraction form
    519,698.54/717,169.47 = 293,365.10/x
  3. Step 3: Cross multiply
    519,698.54x = 717,169.47 × 293,365.10
  4. Step 4: Simplify right side
    519,698.54x = 210,392,493,283.50
  5. Step 5: Solve for x
    x = 210,392,493,283.50/519,698.54
  6. Step 6: Final answer
    x = 404,835.64

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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.