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Finding the Fourth Proportional to 343,191.36, 473,603.76 and 192,289.44

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Solution

The fourth proportional to 343,191.36, 473,603.76 and 192,289.44 is: 265,359.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,191.36 : 473,603.76 = 192,289.44 : x
  2. Step 2: Convert to fraction form
    343,191.36/473,603.76 = 192,289.44/x
  3. Step 3: Cross multiply
    343,191.36x = 473,603.76 × 192,289.44
  4. Step 4: Simplify right side
    343,191.36x = 91,069,001,792.29
  5. Step 5: Solve for x
    x = 91,069,001,792.29/343,191.36
  6. Step 6: Final answer
    x = 265,359.25

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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.