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Finding the Fourth Proportional to 557,602.82, 836,824.86 and 258,293.42

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Solution

The fourth proportional to 557,602.82, 836,824.86 and 258,293.42 is: 387,634.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,602.82 : 836,824.86 = 258,293.42 : x
  2. Step 2: Convert to fraction form
    557,602.82/836,824.86 = 258,293.42/x
  3. Step 3: Cross multiply
    557,602.82x = 836,824.86 × 258,293.42
  4. Step 4: Simplify right side
    557,602.82x = 216,146,355,030.42
  5. Step 5: Solve for x
    x = 216,146,355,030.42/557,602.82
  6. Step 6: Final answer
    x = 387,634.97

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.