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Finding the Fourth Proportional to 2,784,844.52, 4,177,325.10 and 891,580.49

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Solution

The fourth proportional to 2,784,844.52, 4,177,325.10 and 891,580.49 is: 1,337,389.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,844.52 : 4,177,325.10 = 891,580.49 : x
  2. Step 2: Convert to fraction form
    2,784,844.52/4,177,325.10 = 891,580.49/x
  3. Step 3: Cross multiply
    2,784,844.52x = 4,177,325.10 × 891,580.49
  4. Step 4: Simplify right side
    2,784,844.52x = 3,724,421,559,547.30
  5. Step 5: Solve for x
    x = 3,724,421,559,547.30/2,784,844.52
  6. Step 6: Final answer
    x = 1,337,389.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.