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Finding the Fourth Proportional to 346,903.20, 520,225.20 and 241,408.80

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Solution

The fourth proportional to 346,903.20, 520,225.20 and 241,408.80 is: 362,023.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,903.20 : 520,225.20 = 241,408.80 : x
  2. Step 2: Convert to fraction form
    346,903.20/520,225.20 = 241,408.80/x
  3. Step 3: Cross multiply
    346,903.20x = 520,225.20 × 241,408.80
  4. Step 4: Simplify right side
    346,903.20x = 125,586,941,261.76
  5. Step 5: Solve for x
    x = 125,586,941,261.76/346,903.20
  6. Step 6: Final answer
    x = 362,023.01

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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.