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Finding the Fourth Proportional to 590,303.10, 814,739.34 and 375,401.64

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Solution

The fourth proportional to 590,303.10, 814,739.34 and 375,401.64 is: 518,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,303.10 : 814,739.34 = 375,401.64 : x
  2. Step 2: Convert to fraction form
    590,303.10/814,739.34 = 375,401.64/x
  3. Step 3: Cross multiply
    590,303.10x = 814,739.34 × 375,401.64
  4. Step 4: Simplify right side
    590,303.10x = 305,854,484,408.52
  5. Step 5: Solve for x
    x = 305,854,484,408.52/590,303.10
  6. Step 6: Final answer
    x = 518,131.25

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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.