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Finding the Fourth Proportional to 887,673.10, 1,331,509.65 and 740,050.60

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Solution

The fourth proportional to 887,673.10, 1,331,509.65 and 740,050.60 is: 1,110,075.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,673.10 : 1,331,509.65 = 740,050.60 : x
  2. Step 2: Convert to fraction form
    887,673.10/1,331,509.65 = 740,050.60/x
  3. Step 3: Cross multiply
    887,673.10x = 1,331,509.65 × 740,050.60
  4. Step 4: Simplify right side
    887,673.10x = 985,384,515,388.29
  5. Step 5: Solve for x
    x = 985,384,515,388.29/887,673.10
  6. Step 6: Final answer
    x = 1,110,075.90

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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.