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Finding the Fourth Proportional to 1,643,959, 2,465,938.50 and 462,007

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Solution

The fourth proportional to 1,643,959, 2,465,938.50 and 462,007 is: 693,010.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,959 : 2,465,938.50 = 462,007 : x
  2. Step 2: Convert to fraction form
    1,643,959/2,465,938.50 = 462,007/x
  3. Step 3: Cross multiply
    1,643,959x = 2,465,938.50 × 462,007
  4. Step 4: Simplify right side
    1,643,959x = 1,139,280,848,569.50
  5. Step 5: Solve for x
    x = 1,139,280,848,569.50/1,643,959
  6. Step 6: Final answer
    x = 693,010.50

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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.