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Finding the Fourth Proportional to 593,456.10, 818,969.88 and 348,392.89

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Solution

The fourth proportional to 593,456.10, 818,969.88 and 348,392.89 is: 480,782.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,456.10 : 818,969.88 = 348,392.89 : x
  2. Step 2: Convert to fraction form
    593,456.10/818,969.88 = 348,392.89/x
  3. Step 3: Cross multiply
    593,456.10x = 818,969.88 × 348,392.89
  4. Step 4: Simplify right side
    593,456.10x = 285,323,283,316.15
  5. Step 5: Solve for x
    x = 285,323,283,316.15/593,456.10
  6. Step 6: Final answer
    x = 480,782.46

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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.