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Finding the Fourth Proportional to 283,133.34, 390,800.61 and 166,948.11

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Solution

The fourth proportional to 283,133.34, 390,800.61 and 166,948.11 is: 230,433.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,133.34 : 390,800.61 = 166,948.11 : x
  2. Step 2: Convert to fraction form
    283,133.34/390,800.61 = 166,948.11/x
  3. Step 3: Cross multiply
    283,133.34x = 390,800.61 × 166,948.11
  4. Step 4: Simplify right side
    283,133.34x = 65,243,423,226.35
  5. Step 5: Solve for x
    x = 65,243,423,226.35/283,133.34
  6. Step 6: Final answer
    x = 230,433.56

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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.