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Finding the Fourth Proportional to 593,478.90, 819,372.31 and 457,254.32

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Solution

The fourth proportional to 593,478.90, 819,372.31 and 457,254.32 is: 631,297.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,478.90 : 819,372.31 = 457,254.32 : x
  2. Step 2: Convert to fraction form
    593,478.90/819,372.31 = 457,254.32/x
  3. Step 3: Cross multiply
    593,478.90x = 819,372.31 × 457,254.32
  4. Step 4: Simplify right side
    593,478.90x = 374,661,523,195.88
  5. Step 5: Solve for x
    x = 374,661,523,195.88/593,478.90
  6. Step 6: Final answer
    x = 631,297.12

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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.