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Finding the Fourth Proportional to 488,232.94, 732,082.43 and 387,676.93

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Solution

The fourth proportional to 488,232.94, 732,082.43 and 387,676.93 is: 581,303.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,232.94 : 732,082.43 = 387,676.93 : x
  2. Step 2: Convert to fraction form
    488,232.94/732,082.43 = 387,676.93/x
  3. Step 3: Cross multiply
    488,232.94x = 732,082.43 × 387,676.93
  4. Step 4: Simplify right side
    488,232.94x = 283,811,468,969.34
  5. Step 5: Solve for x
    x = 283,811,468,969.34/488,232.94
  6. Step 6: Final answer
    x = 581,303.40

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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.