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Finding the Fourth Proportional to 326,573.37, 450,720.45 and 199,322.91

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Solution

The fourth proportional to 326,573.37, 450,720.45 and 199,322.91 is: 275,095.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,573.37 : 450,720.45 = 199,322.91 : x
  2. Step 2: Convert to fraction form
    326,573.37/450,720.45 = 199,322.91/x
  3. Step 3: Cross multiply
    326,573.37x = 450,720.45 × 199,322.91
  4. Step 4: Simplify right side
    326,573.37x = 89,838,911,690.51
  5. Step 5: Solve for x
    x = 89,838,911,690.51/326,573.37
  6. Step 6: Final answer
    x = 275,095.64

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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.