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Finding the Fourth Proportional to 423,084.01, 634,029.32 and 233,629.67

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Solution

The fourth proportional to 423,084.01, 634,029.32 and 233,629.67 is: 350,115.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,084.01 : 634,029.32 = 233,629.67 : x
  2. Step 2: Convert to fraction form
    423,084.01/634,029.32 = 233,629.67/x
  3. Step 3: Cross multiply
    423,084.01x = 634,029.32 × 233,629.67
  4. Step 4: Simplify right side
    423,084.01x = 148,128,059,404.66
  5. Step 5: Solve for x
    x = 148,128,059,404.66/423,084.01
  6. Step 6: Final answer
    x = 350,115.00

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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.