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Finding the Fourth Proportional to 1,337,570.10, 1,845,846.60 and 764,623.08

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Solution

The fourth proportional to 1,337,570.10, 1,845,846.60 and 764,623.08 is: 1,055,179.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,570.10 : 1,845,846.60 = 764,623.08 : x
  2. Step 2: Convert to fraction form
    1,337,570.10/1,845,846.60 = 764,623.08/x
  3. Step 3: Cross multiply
    1,337,570.10x = 1,845,846.60 × 764,623.08
  4. Step 4: Simplify right side
    1,337,570.10x = 1,411,376,912,499.53
  5. Step 5: Solve for x
    x = 1,411,376,912,499.53/1,337,570.10
  6. Step 6: Final answer
    x = 1,055,179.77

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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.