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Finding the Fourth Proportional to 487,635.01, 673,071.59 and 283,725.33

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Solution

The fourth proportional to 487,635.01, 673,071.59 and 283,725.33 is: 391,619.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,635.01 : 673,071.59 = 283,725.33 : x
  2. Step 2: Convert to fraction form
    487,635.01/673,071.59 = 283,725.33/x
  3. Step 3: Cross multiply
    487,635.01x = 673,071.59 × 283,725.33
  4. Step 4: Simplify right side
    487,635.01x = 190,967,458,986.38
  5. Step 5: Solve for x
    x = 190,967,458,986.38/487,635.01
  6. Step 6: Final answer
    x = 391,619.66

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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.