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Finding the Fourth Proportional to 324,649.84, 448,061.28 and 186,825.93

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Solution

The fourth proportional to 324,649.84, 448,061.28 and 186,825.93 is: 257,845.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,649.84 : 448,061.28 = 186,825.93 : x
  2. Step 2: Convert to fraction form
    324,649.84/448,061.28 = 186,825.93/x
  3. Step 3: Cross multiply
    324,649.84x = 448,061.28 × 186,825.93
  4. Step 4: Simplify right side
    324,649.84x = 83,709,465,332.99
  5. Step 5: Solve for x
    x = 83,709,465,332.99/324,649.84
  6. Step 6: Final answer
    x = 257,845.39

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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.