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Finding the Fourth Proportional to 1,147,488, 1,583,533.44 and 670,560

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Solution

The fourth proportional to 1,147,488, 1,583,533.44 and 670,560 is: 925,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,488 : 1,583,533.44 = 670,560 : x
  2. Step 2: Convert to fraction form
    1,147,488/1,583,533.44 = 670,560/x
  3. Step 3: Cross multiply
    1,147,488x = 1,583,533.44 × 670,560
  4. Step 4: Simplify right side
    1,147,488x = 1,061,854,183,526.40
  5. Step 5: Solve for x
    x = 1,061,854,183,526.40/1,147,488
  6. Step 6: Final answer
    x = 925,372.80

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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.