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Finding the Fourth Proportional to 593,264.98, 818,699.16 and 321,326.11

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Solution

The fourth proportional to 593,264.98, 818,699.16 and 321,326.11 is: 443,426.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,264.98 : 818,699.16 = 321,326.11 : x
  2. Step 2: Convert to fraction form
    593,264.98/818,699.16 = 321,326.11/x
  3. Step 3: Cross multiply
    593,264.98x = 818,699.16 × 321,326.11
  4. Step 4: Simplify right side
    593,264.98x = 263,069,416,343.07
  5. Step 5: Solve for x
    x = 263,069,416,343.07/593,264.98
  6. Step 6: Final answer
    x = 443,426.50

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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.