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Finding the Fourth Proportional to 662,325.60, 992,467.80 and 493,051.80

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Solution

The fourth proportional to 662,325.60, 992,467.80 and 493,051.80 is: 738,817.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,325.60 : 992,467.80 = 493,051.80 : x
  2. Step 2: Convert to fraction form
    662,325.60/992,467.80 = 493,051.80/x
  3. Step 3: Cross multiply
    662,325.60x = 992,467.80 × 493,051.80
  4. Step 4: Simplify right side
    662,325.60x = 489,338,035,232.04
  5. Step 5: Solve for x
    x = 489,338,035,232.04/662,325.60
  6. Step 6: Final answer
    x = 738,817.94

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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.