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Finding the Fourth Proportional to 377,457.59, 520,908.63 and 234,263.77

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Solution

The fourth proportional to 377,457.59, 520,908.63 and 234,263.77 is: 323,294.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,457.59 : 520,908.63 = 234,263.77 : x
  2. Step 2: Convert to fraction form
    377,457.59/520,908.63 = 234,263.77/x
  3. Step 3: Cross multiply
    377,457.59x = 520,908.63 × 234,263.77
  4. Step 4: Simplify right side
    377,457.59x = 122,030,019,489.34
  5. Step 5: Solve for x
    x = 122,030,019,489.34/377,457.59
  6. Step 6: Final answer
    x = 323,294.65

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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.