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Finding the Fourth Proportional to 1,720,544, 2,374,350.72 and 966,880

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Solution

The fourth proportional to 1,720,544, 2,374,350.72 and 966,880 is: 1,334,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,544 : 2,374,350.72 = 966,880 : x
  2. Step 2: Convert to fraction form
    1,720,544/2,374,350.72 = 966,880/x
  3. Step 3: Cross multiply
    1,720,544x = 2,374,350.72 × 966,880
  4. Step 4: Simplify right side
    1,720,544x = 2,295,712,224,153.60
  5. Step 5: Solve for x
    x = 2,295,712,224,153.60/1,720,544
  6. Step 6: Final answer
    x = 1,334,294.40

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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.