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Finding the Fourth Proportional to 1,721,823.79, 2,582,735.67 and 627,690.67

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Solution

The fourth proportional to 1,721,823.79, 2,582,735.67 and 627,690.67 is: 941,536.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,823.79 : 2,582,735.67 = 627,690.67 : x
  2. Step 2: Convert to fraction form
    1,721,823.79/2,582,735.67 = 627,690.67/x
  3. Step 3: Cross multiply
    1,721,823.79x = 2,582,735.67 × 627,690.67
  4. Step 4: Simplify right side
    1,721,823.79x = 1,621,159,076,678.36
  5. Step 5: Solve for x
    x = 1,621,159,076,678.36/1,721,823.79
  6. Step 6: Final answer
    x = 941,536.00

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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.