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Finding the Fourth Proportional to 477,329.60, 716,011.68 and 161,816.96

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Solution

The fourth proportional to 477,329.60, 716,011.68 and 161,816.96 is: 242,731.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,329.60 : 716,011.68 = 161,816.96 : x
  2. Step 2: Convert to fraction form
    477,329.60/716,011.68 = 161,816.96/x
  3. Step 3: Cross multiply
    477,329.60x = 716,011.68 × 161,816.96
  4. Step 4: Simplify right side
    477,329.60x = 115,862,833,382.09
  5. Step 5: Solve for x
    x = 115,862,833,382.09/477,329.60
  6. Step 6: Final answer
    x = 242,731.30

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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.