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Finding the Fourth Proportional to 345,275.16, 476,494.43 and 192,313.32

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Solution

The fourth proportional to 345,275.16, 476,494.43 and 192,313.32 is: 265,400.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,275.16 : 476,494.43 = 192,313.32 : x
  2. Step 2: Convert to fraction form
    345,275.16/476,494.43 = 192,313.32/x
  3. Step 3: Cross multiply
    345,275.16x = 476,494.43 × 192,313.32
  4. Step 4: Simplify right side
    345,275.16x = 91,636,225,794.81
  5. Step 5: Solve for x
    x = 91,636,225,794.81/345,275.16
  6. Step 6: Final answer
    x = 265,400.57

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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.