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Finding the Fourth Proportional to 1,970,539, 2,955,808.50 and 474,631

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Solution

The fourth proportional to 1,970,539, 2,955,808.50 and 474,631 is: 711,946.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,539 : 2,955,808.50 = 474,631 : x
  2. Step 2: Convert to fraction form
    1,970,539/2,955,808.50 = 474,631/x
  3. Step 3: Cross multiply
    1,970,539x = 2,955,808.50 × 474,631
  4. Step 4: Simplify right side
    1,970,539x = 1,402,918,344,163.50
  5. Step 5: Solve for x
    x = 1,402,918,344,163.50/1,970,539
  6. Step 6: Final answer
    x = 711,946.50

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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.