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Finding the Fourth Proportional to 565,871.58, 848,804.58 and 139,406.58

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Solution

The fourth proportional to 565,871.58, 848,804.58 and 139,406.58 is: 209,109.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,871.58 : 848,804.58 = 139,406.58 : x
  2. Step 2: Convert to fraction form
    565,871.58/848,804.58 = 139,406.58/x
  3. Step 3: Cross multiply
    565,871.58x = 848,804.58 × 139,406.58
  4. Step 4: Simplify right side
    565,871.58x = 118,328,943,586.14
  5. Step 5: Solve for x
    x = 118,328,943,586.14/565,871.58
  6. Step 6: Final answer
    x = 209,109.18

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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.