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Finding the Fourth Proportional to 565,557.20, 848,328.39 and 139,096.71

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Solution

The fourth proportional to 565,557.20, 848,328.39 and 139,096.71 is: 208,643.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,557.20 : 848,328.39 = 139,096.71 : x
  2. Step 2: Convert to fraction form
    565,557.20/848,328.39 = 139,096.71/x
  3. Step 3: Cross multiply
    565,557.20x = 848,328.39 × 139,096.71
  4. Step 4: Simplify right side
    565,557.20x = 117,999,688,048.60
  5. Step 5: Solve for x
    x = 117,999,688,048.60/565,557.20
  6. Step 6: Final answer
    x = 208,643.24

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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.