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Finding the Fourth Proportional to 236,390.40, 325,814.40 and 185,068.80

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Solution

The fourth proportional to 236,390.40, 325,814.40 and 185,068.80 is: 255,078.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,390.40 : 325,814.40 = 185,068.80 : x
  2. Step 2: Convert to fraction form
    236,390.40/325,814.40 = 185,068.80/x
  3. Step 3: Cross multiply
    236,390.40x = 325,814.40 × 185,068.80
  4. Step 4: Simplify right side
    236,390.40x = 60,298,080,030.72
  5. Step 5: Solve for x
    x = 60,298,080,030.72/236,390.40
  6. Step 6: Final answer
    x = 255,078.38

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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.