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Finding the Fourth Proportional to 662,087.60, 992,110.80 and 492,813.80

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Solution

The fourth proportional to 662,087.60, 992,110.80 and 492,813.80 is: 738,461.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,087.60 : 992,110.80 = 492,813.80 : x
  2. Step 2: Convert to fraction form
    662,087.60/992,110.80 = 492,813.80/x
  3. Step 3: Cross multiply
    662,087.60x = 992,110.80 × 492,813.80
  4. Step 4: Simplify right side
    662,087.60x = 488,925,893,369.04
  5. Step 5: Solve for x
    x = 488,925,893,369.04/662,087.60
  6. Step 6: Final answer
    x = 738,461.03

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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.