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Finding the Fourth Proportional to 353,564.40, 529,763.40 and 301,076.40

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Solution

The fourth proportional to 353,564.40, 529,763.40 and 301,076.40 is: 451,117.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,564.40 : 529,763.40 = 301,076.40 : x
  2. Step 2: Convert to fraction form
    353,564.40/529,763.40 = 301,076.40/x
  3. Step 3: Cross multiply
    353,564.40x = 529,763.40 × 301,076.40
  4. Step 4: Simplify right side
    353,564.40x = 159,499,257,323.76
  5. Step 5: Solve for x
    x = 159,499,257,323.76/353,564.40
  6. Step 6: Final answer
    x = 451,117.98

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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.