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Finding the Fourth Proportional to 343,501.58, 474,039.77 and 190,534.79

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Solution

The fourth proportional to 343,501.58, 474,039.77 and 190,534.79 is: 262,942.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,501.58 : 474,039.77 = 190,534.79 : x
  2. Step 2: Convert to fraction form
    343,501.58/474,039.77 = 190,534.79/x
  3. Step 3: Cross multiply
    343,501.58x = 474,039.77 × 190,534.79
  4. Step 4: Simplify right side
    343,501.58x = 90,321,064,705.73
  5. Step 5: Solve for x
    x = 90,321,064,705.73/343,501.58
  6. Step 6: Final answer
    x = 262,942.21

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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.