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Finding the Fourth Proportional to 560,685, 841,377.42 and 228,261

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Solution

The fourth proportional to 560,685, 841,377.42 and 228,261 is: 342,533.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,685 : 841,377.42 = 228,261 : x
  2. Step 2: Convert to fraction form
    560,685/841,377.42 = 228,261/x
  3. Step 3: Cross multiply
    560,685x = 841,377.42 × 228,261
  4. Step 4: Simplify right side
    560,685x = 192,053,651,266.62
  5. Step 5: Solve for x
    x = 192,053,651,266.62/560,685
  6. Step 6: Final answer
    x = 342,533.96

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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.