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Finding the Fourth Proportional to 624,386.88, 936,565.47 and 357,951.96

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Solution

The fourth proportional to 624,386.88, 936,565.47 and 357,951.96 is: 536,919.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,386.88 : 936,565.47 = 357,951.96 : x
  2. Step 2: Convert to fraction form
    624,386.88/936,565.47 = 357,951.96/x
  3. Step 3: Cross multiply
    624,386.88x = 936,565.47 × 357,951.96
  4. Step 4: Simplify right side
    624,386.88x = 335,245,445,654.82
  5. Step 5: Solve for x
    x = 335,245,445,654.82/624,386.88
  6. Step 6: Final answer
    x = 536,919.43

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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.