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Finding the Fourth Proportional to 565,501.55, 848,088.30 and 205,630.70

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Solution

The fourth proportional to 565,501.55, 848,088.30 and 205,630.70 is: 308,386.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,501.55 : 848,088.30 = 205,630.70 : x
  2. Step 2: Convert to fraction form
    565,501.55/848,088.30 = 205,630.70/x
  3. Step 3: Cross multiply
    565,501.55x = 848,088.30 × 205,630.70
  4. Step 4: Simplify right side
    565,501.55x = 174,392,990,790.81
  5. Step 5: Solve for x
    x = 174,392,990,790.81/565,501.55
  6. Step 6: Final answer
    x = 308,386.41

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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.