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Finding the Fourth Proportional to 417,333.69, 575,916.30 and 236,080.98

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Solution

The fourth proportional to 417,333.69, 575,916.30 and 236,080.98 is: 325,789.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,333.69 : 575,916.30 = 236,080.98 : x
  2. Step 2: Convert to fraction form
    417,333.69/575,916.30 = 236,080.98/x
  3. Step 3: Cross multiply
    417,333.69x = 575,916.30 × 236,080.98
  4. Step 4: Simplify right side
    417,333.69x = 135,962,884,501.97
  5. Step 5: Solve for x
    x = 135,962,884,501.97/417,333.69
  6. Step 6: Final answer
    x = 325,789.38

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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.