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Finding the Fourth Proportional to 475,475.54, 656,172.50 and 260,615.54

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Solution

The fourth proportional to 475,475.54, 656,172.50 and 260,615.54 is: 359,658.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,475.54 : 656,172.50 = 260,615.54 : x
  2. Step 2: Convert to fraction form
    475,475.54/656,172.50 = 260,615.54/x
  3. Step 3: Cross multiply
    475,475.54x = 656,172.50 × 260,615.54
  4. Step 4: Simplify right side
    475,475.54x = 171,008,750,758.00
  5. Step 5: Solve for x
    x = 171,008,750,758.00/475,475.54
  6. Step 6: Final answer
    x = 359,658.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.