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Finding the Fourth Proportional to 867,604.32, 1,299,711.54 and 597,684.78

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Solution

The fourth proportional to 867,604.32, 1,299,711.54 and 597,684.78 is: 895,359.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,604.32 : 1,299,711.54 = 597,684.78 : x
  2. Step 2: Convert to fraction form
    867,604.32/1,299,711.54 = 597,684.78/x
  3. Step 3: Cross multiply
    867,604.32x = 1,299,711.54 × 597,684.78
  4. Step 4: Simplify right side
    867,604.32x = 776,817,805,848.36
  5. Step 5: Solve for x
    x = 776,817,805,848.36/867,604.32
  6. Step 6: Final answer
    x = 895,359.54

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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.