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Finding the Fourth Proportional to 895,548.21, 1,235,456.73 and 605,066.01

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Solution

The fourth proportional to 895,548.21, 1,235,456.73 and 605,066.01 is: 834,720.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,548.21 : 1,235,456.73 = 605,066.01 : x
  2. Step 2: Convert to fraction form
    895,548.21/1,235,456.73 = 605,066.01/x
  3. Step 3: Cross multiply
    895,548.21x = 1,235,456.73 × 605,066.01
  4. Step 4: Simplify right side
    895,548.21x = 747,532,874,148.75
  5. Step 5: Solve for x
    x = 747,532,874,148.75/895,548.21
  6. Step 6: Final answer
    x = 834,720.97

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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.