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Finding the Fourth Proportional to 335,886.35, 463,488.89 and 206,804.34

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Solution

The fourth proportional to 335,886.35, 463,488.89 and 206,804.34 is: 285,368.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,886.35 : 463,488.89 = 206,804.34 : x
  2. Step 2: Convert to fraction form
    335,886.35/463,488.89 = 206,804.34/x
  3. Step 3: Cross multiply
    335,886.35x = 463,488.89 × 206,804.34
  4. Step 4: Simplify right side
    335,886.35x = 95,851,512,959.76
  5. Step 5: Solve for x
    x = 95,851,512,959.76/335,886.35
  6. Step 6: Final answer
    x = 285,368.89

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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.