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Finding the Fourth Proportional to 264,007.40, 396,011.10 and 162,530.60

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Solution

The fourth proportional to 264,007.40, 396,011.10 and 162,530.60 is: 243,795.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,007.40 : 396,011.10 = 162,530.60 : x
  2. Step 2: Convert to fraction form
    264,007.40/396,011.10 = 162,530.60/x
  3. Step 3: Cross multiply
    264,007.40x = 396,011.10 × 162,530.60
  4. Step 4: Simplify right side
    264,007.40x = 64,363,921,689.66
  5. Step 5: Solve for x
    x = 64,363,921,689.66/264,007.40
  6. Step 6: Final answer
    x = 243,795.90

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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.