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Finding the Fourth Proportional to 662,070.60, 992,085.30 and 492,796.80

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Solution

The fourth proportional to 662,070.60, 992,085.30 and 492,796.80 is: 738,435.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,070.60 : 992,085.30 = 492,796.80 : x
  2. Step 2: Convert to fraction form
    662,070.60/992,085.30 = 492,796.80/x
  3. Step 3: Cross multiply
    662,070.60x = 992,085.30 × 492,796.80
  4. Step 4: Simplify right side
    662,070.60x = 488,896,461,167.04
  5. Step 5: Solve for x
    x = 488,896,461,167.04/662,070.60
  6. Step 6: Final answer
    x = 738,435.54

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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.