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Finding the Fourth Proportional to 468,654.32, 646,741.68 and 253,794.33

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Solution

The fourth proportional to 468,654.32, 646,741.68 and 253,794.33 is: 350,235.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,654.32 : 646,741.68 = 253,794.33 : x
  2. Step 2: Convert to fraction form
    468,654.32/646,741.68 = 253,794.33/x
  3. Step 3: Cross multiply
    468,654.32x = 646,741.68 × 253,794.33
  4. Step 4: Simplify right side
    468,654.32x = 164,139,370,406.95
  5. Step 5: Solve for x
    x = 164,139,370,406.95/468,654.32
  6. Step 6: Final answer
    x = 350,235.48

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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.