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Finding the Fourth Proportional to 353,448.46, 487,763.88 and 192,303.62

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Solution

The fourth proportional to 353,448.46, 487,763.88 and 192,303.62 is: 265,381.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,448.46 : 487,763.88 = 192,303.62 : x
  2. Step 2: Convert to fraction form
    353,448.46/487,763.88 = 192,303.62/x
  3. Step 3: Cross multiply
    353,448.46x = 487,763.88 × 192,303.62
  4. Step 4: Simplify right side
    353,448.46x = 93,798,758,498.40
  5. Step 5: Solve for x
    x = 93,798,758,498.40/353,448.46
  6. Step 6: Final answer
    x = 265,381.71

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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.