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Finding the Fourth Proportional to 343,071.88, 473,441.99 and 190,112.64

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Solution

The fourth proportional to 343,071.88, 473,441.99 and 190,112.64 is: 262,357.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,071.88 : 473,441.99 = 190,112.64 : x
  2. Step 2: Convert to fraction form
    343,071.88/473,441.99 = 190,112.64/x
  3. Step 3: Cross multiply
    343,071.88x = 473,441.99 × 190,112.64
  4. Step 4: Simplify right side
    343,071.88x = 90,007,308,409.14
  5. Step 5: Solve for x
    x = 90,007,308,409.14/343,071.88
  6. Step 6: Final answer
    x = 262,357.00

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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.