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Finding the Fourth Proportional to 893,058.10, 1,232,415.24 and 485,156.68

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Solution

The fourth proportional to 893,058.10, 1,232,415.24 and 485,156.68 is: 669,513.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,058.10 : 1,232,415.24 = 485,156.68 : x
  2. Step 2: Convert to fraction form
    893,058.10/1,232,415.24 = 485,156.68/x
  3. Step 3: Cross multiply
    893,058.10x = 1,232,415.24 × 485,156.68
  4. Step 4: Simplify right side
    893,058.10x = 597,914,486,219.80
  5. Step 5: Solve for x
    x = 597,914,486,219.80/893,058.10
  6. Step 6: Final answer
    x = 669,513.54

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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.