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Finding the Fourth Proportional to 493,685.80, 740,528.70 and 493,685.80

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Solution

The fourth proportional to 493,685.80, 740,528.70 and 493,685.80 is: 740,528.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,685.80 : 740,528.70 = 493,685.80 : x
  2. Step 2: Convert to fraction form
    493,685.80/740,528.70 = 493,685.80/x
  3. Step 3: Cross multiply
    493,685.80x = 740,528.70 × 493,685.80
  4. Step 4: Simplify right side
    493,685.80x = 365,588,503,682.46
  5. Step 5: Solve for x
    x = 365,588,503,682.46/493,685.80
  6. Step 6: Final answer
    x = 740,528.70

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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.