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Finding the Fourth Proportional to 2,069,409.79, 3,123,551.14 and 2,069,409.79

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Solution

The fourth proportional to 2,069,409.79, 3,123,551.14 and 2,069,409.79 is: 3,123,551.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069,409.79 : 3,123,551.14 = 2,069,409.79 : x
  2. Step 2: Convert to fraction form
    2,069,409.79/3,123,551.14 = 2,069,409.79/x
  3. Step 3: Cross multiply
    2,069,409.79x = 3,123,551.14 × 2,069,409.79
  4. Step 4: Simplify right side
    2,069,409.79x = 6,463,907,308,681.66
  5. Step 5: Solve for x
    x = 6,463,907,308,681.66/2,069,409.79
  6. Step 6: Final answer
    x = 3,123,551.14

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.