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Finding the Fourth Proportional to 355,568.01, 533,352.54 and 145,205.96

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Solution

The fourth proportional to 355,568.01, 533,352.54 and 145,205.96 is: 217,809.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,568.01 : 533,352.54 = 145,205.96 : x
  2. Step 2: Convert to fraction form
    355,568.01/533,352.54 = 145,205.96/x
  3. Step 3: Cross multiply
    355,568.01x = 533,352.54 × 145,205.96
  4. Step 4: Simplify right side
    355,568.01x = 77,445,964,922.38
  5. Step 5: Solve for x
    x = 77,445,964,922.38/355,568.01
  6. Step 6: Final answer
    x = 217,809.15

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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.