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Finding the Fourth Proportional to 265,831.36, 368,431 and 260,854.72

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Solution

The fourth proportional to 265,831.36, 368,431 and 260,854.72 is: 361,533.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,831.36 : 368,431 = 260,854.72 : x
  2. Step 2: Convert to fraction form
    265,831.36/368,431 = 260,854.72/x
  3. Step 3: Cross multiply
    265,831.36x = 368,431 × 260,854.72
  4. Step 4: Simplify right side
    265,831.36x = 96,106,965,344.32
  5. Step 5: Solve for x
    x = 96,106,965,344.32/265,831.36
  6. Step 6: Final answer
    x = 361,533.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.