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Finding the Fourth Proportional to 552,437.74, 763,114.53 and 433,085.86

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Solution

The fourth proportional to 552,437.74, 763,114.53 and 433,085.86 is: 598,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,437.74 : 763,114.53 = 433,085.86 : x
  2. Step 2: Convert to fraction form
    552,437.74/763,114.53 = 433,085.86/x
  3. Step 3: Cross multiply
    552,437.74x = 763,114.53 × 433,085.86
  4. Step 4: Simplify right side
    552,437.74x = 330,494,112,503.55
  5. Step 5: Solve for x
    x = 330,494,112,503.55/552,437.74
  6. Step 6: Final answer
    x = 598,246.80

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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.