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Finding the Fourth Proportional to 370,230.80, 510,536.64 and 316,693.04

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Solution

The fourth proportional to 370,230.80, 510,536.64 and 316,693.04 is: 436,709.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,230.80 : 510,536.64 = 316,693.04 : x
  2. Step 2: Convert to fraction form
    370,230.80/510,536.64 = 316,693.04/x
  3. Step 3: Cross multiply
    370,230.80x = 510,536.64 × 316,693.04
  4. Step 4: Simplify right side
    370,230.80x = 161,683,400,552.99
  5. Step 5: Solve for x
    x = 161,683,400,552.99/370,230.80
  6. Step 6: Final answer
    x = 436,709.75

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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.