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Finding the Fourth Proportional to 543,867.60, 815,477.40 and 333,656.40

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Solution

The fourth proportional to 543,867.60, 815,477.40 and 333,656.40 is: 500,285.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,867.60 : 815,477.40 = 333,656.40 : x
  2. Step 2: Convert to fraction form
    543,867.60/815,477.40 = 333,656.40/x
  3. Step 3: Cross multiply
    543,867.60x = 815,477.40 × 333,656.40
  4. Step 4: Simplify right side
    543,867.60x = 272,089,253,565.36
  5. Step 5: Solve for x
    x = 272,089,253,565.36/543,867.60
  6. Step 6: Final answer
    x = 500,285.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.