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Finding the Fourth Proportional to 692,504.44, 955,652.16 and 386,563.12

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Solution

The fourth proportional to 692,504.44, 955,652.16 and 386,563.12 is: 533,454.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,504.44 : 955,652.16 = 386,563.12 : x
  2. Step 2: Convert to fraction form
    692,504.44/955,652.16 = 386,563.12/x
  3. Step 3: Cross multiply
    692,504.44x = 955,652.16 × 386,563.12
  4. Step 4: Simplify right side
    692,504.44x = 369,419,880,604.34
  5. Step 5: Solve for x
    x = 369,419,880,604.34/692,504.44
  6. Step 6: Final answer
    x = 533,454.89

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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.