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Finding the Fourth Proportional to 557,706.87, 836,410.86 and 242,088.75

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Solution

The fourth proportional to 557,706.87, 836,410.86 and 242,088.75 is: 363,068.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,706.87 : 836,410.86 = 242,088.75 : x
  2. Step 2: Convert to fraction form
    557,706.87/836,410.86 = 242,088.75/x
  3. Step 3: Cross multiply
    557,706.87x = 836,410.86 × 242,088.75
  4. Step 4: Simplify right side
    557,706.87x = 202,485,659,583.83
  5. Step 5: Solve for x
    x = 202,485,659,583.83/557,706.87
  6. Step 6: Final answer
    x = 363,068.25

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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.