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Finding the Fourth Proportional to 324,802.16, 448,308.24 and 260,018.36

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Solution

The fourth proportional to 324,802.16, 448,308.24 and 260,018.36 is: 358,890.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,802.16 : 448,308.24 = 260,018.36 : x
  2. Step 2: Convert to fraction form
    324,802.16/448,308.24 = 260,018.36/x
  3. Step 3: Cross multiply
    324,802.16x = 448,308.24 × 260,018.36
  4. Step 4: Simplify right side
    324,802.16x = 116,568,373,339.29
  5. Step 5: Solve for x
    x = 116,568,373,339.29/324,802.16
  6. Step 6: Final answer
    x = 358,890.39

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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.