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Finding the Fourth Proportional to 309,762.04, 427,475.46 and 173,825.14

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Solution

The fourth proportional to 309,762.04, 427,475.46 and 173,825.14 is: 239,880.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,762.04 : 427,475.46 = 173,825.14 : x
  2. Step 2: Convert to fraction form
    309,762.04/427,475.46 = 173,825.14/x
  3. Step 3: Cross multiply
    309,762.04x = 427,475.46 × 173,825.14
  4. Step 4: Simplify right side
    309,762.04x = 74,305,981,681.06
  5. Step 5: Solve for x
    x = 74,305,981,681.06/309,762.04
  6. Step 6: Final answer
    x = 239,880.85

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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.