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Finding the Fourth Proportional to 882,342, 1,323,344.12 and 342,598.23

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Solution

The fourth proportional to 882,342, 1,323,344.12 and 342,598.23 is: 513,831.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,342 : 1,323,344.12 = 342,598.23 : x
  2. Step 2: Convert to fraction form
    882,342/1,323,344.12 = 342,598.23/x
  3. Step 3: Cross multiply
    882,342x = 1,323,344.12 × 342,598.23
  4. Step 4: Simplify right side
    882,342x = 453,375,351,479.92
  5. Step 5: Solve for x
    x = 453,375,351,479.92/882,342
  6. Step 6: Final answer
    x = 513,831.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.