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Finding the Fourth Proportional to 3,539,310.24, 5,308,984.32 and 879,918.24

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Solution

The fourth proportional to 3,539,310.24, 5,308,984.32 and 879,918.24 is: 1,319,882.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539,310.24 : 5,308,984.32 = 879,918.24 : x
  2. Step 2: Convert to fraction form
    3,539,310.24/5,308,984.32 = 879,918.24/x
  3. Step 3: Cross multiply
    3,539,310.24x = 5,308,984.32 × 879,918.24
  4. Step 4: Simplify right side
    3,539,310.24x = 4,671,472,139,042.00
  5. Step 5: Solve for x
    x = 4,671,472,139,042.00/3,539,310.24
  6. Step 6: Final answer
    x = 1,319,882.07

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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.