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Finding the Fourth Proportional to 343,329.54, 473,789.86 and 190,368.03

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Solution

The fourth proportional to 343,329.54, 473,789.86 and 190,368.03 is: 262,705.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,329.54 : 473,789.86 = 190,368.03 : x
  2. Step 2: Convert to fraction form
    343,329.54/473,789.86 = 190,368.03/x
  3. Step 3: Cross multiply
    343,329.54x = 473,789.86 × 190,368.03
  4. Step 4: Simplify right side
    343,329.54x = 90,194,442,282.18
  5. Step 5: Solve for x
    x = 90,194,442,282.18/343,329.54
  6. Step 6: Final answer
    x = 262,705.16

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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.