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Finding the Fourth Proportional to 342,896.16, 473,186.28 and 189,928.32

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Solution

The fourth proportional to 342,896.16, 473,186.28 and 189,928.32 is: 262,095.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,896.16 : 473,186.28 = 189,928.32 : x
  2. Step 2: Convert to fraction form
    342,896.16/473,186.28 = 189,928.32/x
  3. Step 3: Cross multiply
    342,896.16x = 473,186.28 × 189,928.32
  4. Step 4: Simplify right side
    342,896.16x = 89,871,475,207.45
  5. Step 5: Solve for x
    x = 89,871,475,207.45/342,896.16
  6. Step 6: Final answer
    x = 262,095.31

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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.