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Finding the Fourth Proportional to 455,897.50, 683,234.93 and 354,817.60

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Solution

The fourth proportional to 455,897.50, 683,234.93 and 354,817.60 is: 531,750.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,897.50 : 683,234.93 = 354,817.60 : x
  2. Step 2: Convert to fraction form
    455,897.50/683,234.93 = 354,817.60/x
  3. Step 3: Cross multiply
    455,897.50x = 683,234.93 × 354,817.60
  4. Step 4: Simplify right side
    455,897.50x = 242,423,777,277.73
  5. Step 5: Solve for x
    x = 242,423,777,277.73/455,897.50
  6. Step 6: Final answer
    x = 531,750.62

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1.5x scale

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.