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Finding the Fourth Proportional to 1,750,341.48, 2,625,978.96 and 628,420.20

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Solution

The fourth proportional to 1,750,341.48, 2,625,978.96 and 628,420.20 is: 942,797.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750,341.48 : 2,625,978.96 = 628,420.20 : x
  2. Step 2: Convert to fraction form
    1,750,341.48/2,625,978.96 = 628,420.20/x
  3. Step 3: Cross multiply
    1,750,341.48x = 2,625,978.96 × 628,420.20
  4. Step 4: Simplify right side
    1,750,341.48x = 1,650,218,223,238.99
  5. Step 5: Solve for x
    x = 1,650,218,223,238.99/1,750,341.48
  6. Step 6: Final answer
    x = 942,797.87

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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.