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Finding the Fourth Proportional to 183,790.30, 257,831.30 and 183,790.30

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Solution

The fourth proportional to 183,790.30, 257,831.30 and 183,790.30 is: 257,831.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,790.30 : 257,831.30 = 183,790.30 : x
  2. Step 2: Convert to fraction form
    183,790.30/257,831.30 = 183,790.30/x
  3. Step 3: Cross multiply
    183,790.30x = 257,831.30 × 183,790.30
  4. Step 4: Simplify right side
    183,790.30x = 47,386,891,976.39
  5. Step 5: Solve for x
    x = 47,386,891,976.39/183,790.30
  6. Step 6: Final answer
    x = 257,831.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.