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Finding the Fourth Proportional to 255,842.46, 353,159.87 and 192,364.65

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Solution

The fourth proportional to 255,842.46, 353,159.87 and 192,364.65 is: 265,536.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,842.46 : 353,159.87 = 192,364.65 : x
  2. Step 2: Convert to fraction form
    255,842.46/353,159.87 = 192,364.65/x
  3. Step 3: Cross multiply
    255,842.46x = 353,159.87 × 192,364.65
  4. Step 4: Simplify right side
    255,842.46x = 67,935,473,824.77
  5. Step 5: Solve for x
    x = 67,935,473,824.77/255,842.46
  6. Step 6: Final answer
    x = 265,536.35

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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.