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Finding the Fourth Proportional to 355,014.09, 490,191.14 and 234,326.93

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Solution

The fourth proportional to 355,014.09, 490,191.14 and 234,326.93 is: 323,550.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,014.09 : 490,191.14 = 234,326.93 : x
  2. Step 2: Convert to fraction form
    355,014.09/490,191.14 = 234,326.93/x
  3. Step 3: Cross multiply
    355,014.09x = 490,191.14 × 234,326.93
  4. Step 4: Simplify right side
    355,014.09x = 114,864,983,084.26
  5. Step 5: Solve for x
    x = 114,864,983,084.26/355,014.09
  6. Step 6: Final answer
    x = 323,550.49

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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.