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Finding the Fourth Proportional to 573,899.49, 791,987.91 and 328,879.41

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Solution

The fourth proportional to 573,899.49, 791,987.91 and 328,879.41 is: 453,857.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,899.49 : 791,987.91 = 328,879.41 : x
  2. Step 2: Convert to fraction form
    573,899.49/791,987.91 = 328,879.41/x
  3. Step 3: Cross multiply
    573,899.49x = 791,987.91 × 328,879.41
  4. Step 4: Simplify right side
    573,899.49x = 260,468,516,567.93
  5. Step 5: Solve for x
    x = 260,468,516,567.93/573,899.49
  6. Step 6: Final answer
    x = 453,857.38

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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.