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Finding the Fourth Proportional to 713,006.44, 983,852.59 and 407,063.37

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Solution

The fourth proportional to 713,006.44, 983,852.59 and 407,063.37 is: 561,692.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,006.44 : 983,852.59 = 407,063.37 : x
  2. Step 2: Convert to fraction form
    713,006.44/983,852.59 = 407,063.37/x
  3. Step 3: Cross multiply
    713,006.44x = 983,852.59 × 407,063.37
  4. Step 4: Simplify right side
    713,006.44x = 400,490,350,868.63
  5. Step 5: Solve for x
    x = 400,490,350,868.63/713,006.44
  6. Step 6: Final answer
    x = 561,692.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.