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Finding the Fourth Proportional to 417,358.83, 575,955.26 and 236,066.86

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Solution

The fourth proportional to 417,358.83, 575,955.26 and 236,066.86 is: 325,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,358.83 : 575,955.26 = 236,066.86 : x
  2. Step 2: Convert to fraction form
    417,358.83/575,955.26 = 236,066.86/x
  3. Step 3: Cross multiply
    417,358.83x = 575,955.26 × 236,066.86
  4. Step 4: Simplify right side
    417,358.83x = 135,963,946,913.80
  5. Step 5: Solve for x
    x = 135,963,946,913.80/417,358.83
  6. Step 6: Final answer
    x = 325,772.30

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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.