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Finding the Fourth Proportional to 299,509.08, 413,339.34 and 163,555.67

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Solution

The fourth proportional to 299,509.08, 413,339.34 and 163,555.67 is: 225,716.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,509.08 : 413,339.34 = 163,555.67 : x
  2. Step 2: Convert to fraction form
    299,509.08/413,339.34 = 163,555.67/x
  3. Step 3: Cross multiply
    299,509.08x = 413,339.34 × 163,555.67
  4. Step 4: Simplify right side
    299,509.08x = 67,603,990,215.47
  5. Step 5: Solve for x
    x = 67,603,990,215.47/299,509.08
  6. Step 6: Final answer
    x = 225,716.00

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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.