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Finding the Fourth Proportional to 455,911.54, 683,789.74 and 152,271.27

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Solution

The fourth proportional to 455,911.54, 683,789.74 and 152,271.27 is: 228,381.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,911.54 : 683,789.74 = 152,271.27 : x
  2. Step 2: Convert to fraction form
    455,911.54/683,789.74 = 152,271.27/x
  3. Step 3: Cross multiply
    455,911.54x = 683,789.74 × 152,271.27
  4. Step 4: Simplify right side
    455,911.54x = 104,121,532,122.77
  5. Step 5: Solve for x
    x = 104,121,532,122.77/455,911.54
  6. Step 6: Final answer
    x = 228,381.00

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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.