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Finding the Fourth Proportional to 4,471,409.40, 6,245,801.40 and 4,471,409.40

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Solution

The fourth proportional to 4,471,409.40, 6,245,801.40 and 4,471,409.40 is: 6,245,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,471,409.40 : 6,245,801.40 = 4,471,409.40 : x
  2. Step 2: Convert to fraction form
    4,471,409.40/6,245,801.40 = 4,471,409.40/x
  3. Step 3: Cross multiply
    4,471,409.40x = 6,245,801.40 × 4,471,409.40
  4. Step 4: Simplify right side
    4,471,409.40x = 27,927,535,090,493.16
  5. Step 5: Solve for x
    x = 27,927,535,090,493.16/4,471,409.40
  6. Step 6: Final answer
    x = 6,245,801.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.