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Finding the Fourth Proportional to 993,546, 1,371,093.64 and 540,840.40

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Solution

The fourth proportional to 993,546, 1,371,093.64 and 540,840.40 is: 746,359.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,546 : 1,371,093.64 = 540,840.40 : x
  2. Step 2: Convert to fraction form
    993,546/1,371,093.64 = 540,840.40/x
  3. Step 3: Cross multiply
    993,546x = 1,371,093.64 × 540,840.40
  4. Step 4: Simplify right side
    993,546x = 741,542,832,695.06
  5. Step 5: Solve for x
    x = 741,542,832,695.06/993,546
  6. Step 6: Final answer
    x = 746,359.84

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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.