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Finding the Fourth Proportional to 324,802.68, 448,308.92 and 260,018.88

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Solution

The fourth proportional to 324,802.68, 448,308.92 and 260,018.88 is: 358,891.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,802.68 : 448,308.92 = 260,018.88 : x
  2. Step 2: Convert to fraction form
    324,802.68/448,308.92 = 260,018.88/x
  3. Step 3: Cross multiply
    324,802.68x = 448,308.92 × 260,018.88
  4. Step 4: Simplify right side
    324,802.68x = 116,568,783,272.41
  5. Step 5: Solve for x
    x = 116,568,783,272.41/324,802.68
  6. Step 6: Final answer
    x = 358,891.08

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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.