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Finding the Fourth Proportional to 573,110.64, 790,833.78 and 358,274.34

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Solution

The fourth proportional to 573,110.64, 790,833.78 and 358,274.34 is: 494,381.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,110.64 : 790,833.78 = 358,274.34 : x
  2. Step 2: Convert to fraction form
    573,110.64/790,833.78 = 358,274.34/x
  3. Step 3: Cross multiply
    573,110.64x = 790,833.78 × 358,274.34
  4. Step 4: Simplify right side
    573,110.64x = 283,335,450,579.21
  5. Step 5: Solve for x
    x = 283,335,450,579.21/573,110.64
  6. Step 6: Final answer
    x = 494,381.77

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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.