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Finding the Fourth Proportional to 565,525.14, 848,280.30 and 139,064.65

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Solution

The fourth proportional to 565,525.14, 848,280.30 and 139,064.65 is: 208,595.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,525.14 : 848,280.30 = 139,064.65 : x
  2. Step 2: Convert to fraction form
    565,525.14/848,280.30 = 139,064.65/x
  3. Step 3: Cross multiply
    565,525.14x = 848,280.30 × 139,064.65
  4. Step 4: Simplify right side
    565,525.14x = 117,965,803,021.40
  5. Step 5: Solve for x
    x = 117,965,803,021.40/565,525.14
  6. Step 6: Final answer
    x = 208,595.15

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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.