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Finding the Fourth Proportional to 615,233.83, 848,895.91 and 353,538.53

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Solution

The fourth proportional to 615,233.83, 848,895.91 and 353,538.53 is: 487,810.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,233.83 : 848,895.91 = 353,538.53 : x
  2. Step 2: Convert to fraction form
    615,233.83/848,895.91 = 353,538.53/x
  3. Step 3: Cross multiply
    615,233.83x = 848,895.91 × 353,538.53
  4. Step 4: Simplify right side
    615,233.83x = 300,117,416,846.74
  5. Step 5: Solve for x
    x = 300,117,416,846.74/615,233.83
  6. Step 6: Final answer
    x = 487,810.33

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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.