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Finding the Fourth Proportional to 374,053.03, 516,196.47 and 212,918.45

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Solution

The fourth proportional to 374,053.03, 516,196.47 and 212,918.45 is: 293,829.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,053.03 : 516,196.47 = 212,918.45 : x
  2. Step 2: Convert to fraction form
    374,053.03/516,196.47 = 212,918.45/x
  3. Step 3: Cross multiply
    374,053.03x = 516,196.47 × 212,918.45
  4. Step 4: Simplify right side
    374,053.03x = 109,907,752,287.87
  5. Step 5: Solve for x
    x = 109,907,752,287.87/374,053.03
  6. Step 6: Final answer
    x = 293,829.33

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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.