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Finding the Fourth Proportional to 343,448.71, 473,987.54 and 190,536.13

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Solution

The fourth proportional to 343,448.71, 473,987.54 and 190,536.13 is: 262,955.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,448.71 : 473,987.54 = 190,536.13 : x
  2. Step 2: Convert to fraction form
    343,448.71/473,987.54 = 190,536.13/x
  3. Step 3: Cross multiply
    343,448.71x = 473,987.54 × 190,536.13
  4. Step 4: Simplify right side
    343,448.71x = 90,311,751,539.82
  5. Step 5: Solve for x
    x = 90,311,751,539.82/343,448.71
  6. Step 6: Final answer
    x = 262,955.57

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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.