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Finding the Fourth Proportional to 343,300.28, 473,728.26 and 192,368.12

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Solution

The fourth proportional to 343,300.28, 473,728.26 and 192,368.12 is: 265,453.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,300.28 : 473,728.26 = 192,368.12 : x
  2. Step 2: Convert to fraction form
    343,300.28/473,728.26 = 192,368.12/x
  3. Step 3: Cross multiply
    343,300.28x = 473,728.26 × 192,368.12
  4. Step 4: Simplify right side
    343,300.28x = 91,130,214,767.07
  5. Step 5: Solve for x
    x = 91,130,214,767.07/343,300.28
  6. Step 6: Final answer
    x = 265,453.37

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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.