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Finding the Fourth Proportional to 343,309, 473,795.58 and 192,435.16

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Solution

The fourth proportional to 343,309, 473,795.58 and 192,435.16 is: 265,576.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,309 : 473,795.58 = 192,435.16 : x
  2. Step 2: Convert to fraction form
    343,309/473,795.58 = 192,435.16/x
  3. Step 3: Cross multiply
    343,309x = 473,795.58 × 192,435.16
  4. Step 4: Simplify right side
    343,309x = 91,174,928,244.59
  5. Step 5: Solve for x
    x = 91,174,928,244.59/343,309
  6. Step 6: Final answer
    x = 265,576.87

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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.