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Finding the Fourth Proportional to 343,065.25, 473,430.09 and 192,162.25

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Solution

The fourth proportional to 343,065.25, 473,430.09 and 192,162.25 is: 265,183.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,065.25 : 473,430.09 = 192,162.25 : x
  2. Step 2: Convert to fraction form
    343,065.25/473,430.09 = 192,162.25/x
  3. Step 3: Cross multiply
    343,065.25x = 473,430.09 × 192,162.25
  4. Step 4: Simplify right side
    343,065.25x = 90,975,391,312.10
  5. Step 5: Solve for x
    x = 90,975,391,312.10/343,065.25
  6. Step 6: Final answer
    x = 265,183.93

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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.