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Finding the Fourth Proportional to 331,463.34, 457,421.58 and 180,560.34

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Solution

The fourth proportional to 331,463.34, 457,421.58 and 180,560.34 is: 249,174.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,463.34 : 457,421.58 = 180,560.34 : x
  2. Step 2: Convert to fraction form
    331,463.34/457,421.58 = 180,560.34/x
  3. Step 3: Cross multiply
    331,463.34x = 457,421.58 × 180,560.34
  4. Step 4: Simplify right side
    331,463.34x = 82,592,196,008.14
  5. Step 5: Solve for x
    x = 82,592,196,008.14/331,463.34
  6. Step 6: Final answer
    x = 249,174.45

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1.5x scale

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.