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Finding the Fourth Proportional to 572,548.93, 790,214.71 and 330,971.54

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Solution

The fourth proportional to 572,548.93, 790,214.71 and 330,971.54 is: 456,796.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,548.93 : 790,214.71 = 330,971.54 : x
  2. Step 2: Convert to fraction form
    572,548.93/790,214.71 = 330,971.54/x
  3. Step 3: Cross multiply
    572,548.93x = 790,214.71 × 330,971.54
  4. Step 4: Simplify right side
    572,548.93x = 261,538,582,939.72
  5. Step 5: Solve for x
    x = 261,538,582,939.72/572,548.93
  6. Step 6: Final answer
    x = 456,796.91

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Double scale
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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.