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Finding the Fourth Proportional to 852,479.60, 1,279,410.60 and 824,831.60

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Solution

The fourth proportional to 852,479.60, 1,279,410.60 and 824,831.60 is: 1,237,916.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,479.60 : 1,279,410.60 = 824,831.60 : x
  2. Step 2: Convert to fraction form
    852,479.60/1,279,410.60 = 824,831.60/x
  3. Step 3: Cross multiply
    852,479.60x = 1,279,410.60 × 824,831.60
  4. Step 4: Simplify right side
    852,479.60x = 1,055,298,292,254.96
  5. Step 5: Solve for x
    x = 1,055,298,292,254.96/852,479.60
  6. Step 6: Final answer
    x = 1,237,916.18

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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.