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Finding the Fourth Proportional to 324,341.01, 448,022.75 and 260,918.01

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Solution

The fourth proportional to 324,341.01, 448,022.75 and 260,918.01 is: 360,414.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,341.01 : 448,022.75 = 260,918.01 : x
  2. Step 2: Convert to fraction form
    324,341.01/448,022.75 = 260,918.01/x
  3. Step 3: Cross multiply
    324,341.01x = 448,022.75 × 260,918.01
  4. Step 4: Simplify right side
    324,341.01x = 116,897,203,060.14
  5. Step 5: Solve for x
    x = 116,897,203,060.14/324,341.01
  6. Step 6: Final answer
    x = 360,414.50

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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.