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Finding the Fourth Proportional to 375,337.60, 517,918.56 and 299,050.24

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Solution

The fourth proportional to 375,337.60, 517,918.56 and 299,050.24 is: 412,651.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,337.60 : 517,918.56 = 299,050.24 : x
  2. Step 2: Convert to fraction form
    375,337.60/517,918.56 = 299,050.24/x
  3. Step 3: Cross multiply
    375,337.60x = 517,918.56 × 299,050.24
  4. Step 4: Simplify right side
    375,337.60x = 154,883,669,668.45
  5. Step 5: Solve for x
    x = 154,883,669,668.45/375,337.60
  6. Step 6: Final answer
    x = 412,651.62

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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.