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Finding the Fourth Proportional to 477,790.34, 716,751.39 and 162,162.50

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Solution

The fourth proportional to 477,790.34, 716,751.39 and 162,162.50 is: 243,266.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,790.34 : 716,751.39 = 162,162.50 : x
  2. Step 2: Convert to fraction form
    477,790.34/716,751.39 = 162,162.50/x
  3. Step 3: Cross multiply
    477,790.34x = 716,751.39 × 162,162.50
  4. Step 4: Simplify right side
    477,790.34x = 116,230,197,280.88
  5. Step 5: Solve for x
    x = 116,230,197,280.88/477,790.34
  6. Step 6: Final answer
    x = 243,266.11

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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.