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Finding the Fourth Proportional to 635,460.68, 876,951 and 348,986.94

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Solution

The fourth proportional to 635,460.68, 876,951 and 348,986.94 is: 481,610.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,460.68 : 876,951 = 348,986.94 : x
  2. Step 2: Convert to fraction form
    635,460.68/876,951 = 348,986.94/x
  3. Step 3: Cross multiply
    635,460.68x = 876,951 × 348,986.94
  4. Step 4: Simplify right side
    635,460.68x = 306,044,446,019.94
  5. Step 5: Solve for x
    x = 306,044,446,019.94/635,460.68
  6. Step 6: Final answer
    x = 481,610.36

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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.