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Finding the Fourth Proportional to 1,975,348.35, 2,962,955.35 and 837,378.45

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Solution

The fourth proportional to 1,975,348.35, 2,962,955.35 and 837,378.45 is: 1,256,039.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,348.35 : 2,962,955.35 = 837,378.45 : x
  2. Step 2: Convert to fraction form
    1,975,348.35/2,962,955.35 = 837,378.45/x
  3. Step 3: Cross multiply
    1,975,348.35x = 2,962,955.35 × 837,378.45
  4. Step 4: Simplify right side
    1,975,348.35x = 2,481,114,958,402.21
  5. Step 5: Solve for x
    x = 2,481,114,958,402.21/1,975,348.35
  6. Step 6: Final answer
    x = 1,256,039.20

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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.