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Finding the Fourth Proportional to 253,461.72, 349,864.56 and 146,074.62

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Solution

The fourth proportional to 253,461.72, 349,864.56 and 146,074.62 is: 201,633.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,461.72 : 349,864.56 = 146,074.62 : x
  2. Step 2: Convert to fraction form
    253,461.72/349,864.56 = 146,074.62/x
  3. Step 3: Cross multiply
    253,461.72x = 349,864.56 × 146,074.62
  4. Step 4: Simplify right side
    253,461.72x = 51,106,332,653.47
  5. Step 5: Solve for x
    x = 51,106,332,653.47/253,461.72
  6. Step 6: Final answer
    x = 201,633.34

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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.