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Finding the Fourth Proportional to 309,425.60, 463,792.80 and 176,369.60

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Solution

The fourth proportional to 309,425.60, 463,792.80 and 176,369.60 is: 264,357.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,425.60 : 463,792.80 = 176,369.60 : x
  2. Step 2: Convert to fraction form
    309,425.60/463,792.80 = 176,369.60/x
  3. Step 3: Cross multiply
    309,425.60x = 463,792.80 × 176,369.60
  4. Step 4: Simplify right side
    309,425.60x = 81,798,950,618.88
  5. Step 5: Solve for x
    x = 81,798,950,618.88/309,425.60
  6. Step 6: Final answer
    x = 264,357.41

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1.5x scale

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.