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Finding the Fourth Proportional to 417,051.62, 576,009.53 and 274,448.29

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Solution

The fourth proportional to 417,051.62, 576,009.53 and 274,448.29 is: 379,053.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,051.62 : 576,009.53 = 274,448.29 : x
  2. Step 2: Convert to fraction form
    417,051.62/576,009.53 = 274,448.29/x
  3. Step 3: Cross multiply
    417,051.62x = 576,009.53 × 274,448.29
  4. Step 4: Simplify right side
    417,051.62x = 158,084,828,338.28
  5. Step 5: Solve for x
    x = 158,084,828,338.28/417,051.62
  6. Step 6: Final answer
    x = 379,053.39

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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.