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Finding the Fourth Proportional to 450,283.42, 675,690.32 and 166,173.90

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Solution

The fourth proportional to 450,283.42, 675,690.32 and 166,173.90 is: 249,358.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,283.42 : 675,690.32 = 166,173.90 : x
  2. Step 2: Convert to fraction form
    450,283.42/675,690.32 = 166,173.90/x
  3. Step 3: Cross multiply
    450,283.42x = 675,690.32 × 166,173.90
  4. Step 4: Simplify right side
    450,283.42x = 112,282,095,666.65
  5. Step 5: Solve for x
    x = 112,282,095,666.65/450,283.42
  6. Step 6: Final answer
    x = 249,358.72

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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.