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Finding the Fourth Proportional to 507,476.94, 700,318.72 and 274,904.42

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Solution

The fourth proportional to 507,476.94, 700,318.72 and 274,904.42 is: 379,368.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,476.94 : 700,318.72 = 274,904.42 : x
  2. Step 2: Convert to fraction form
    507,476.94/700,318.72 = 274,904.42/x
  3. Step 3: Cross multiply
    507,476.94x = 700,318.72 × 274,904.42
  4. Step 4: Simplify right side
    507,476.94x = 192,520,711,536.74
  5. Step 5: Solve for x
    x = 192,520,711,536.74/507,476.94
  6. Step 6: Final answer
    x = 379,368.39

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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.