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Finding the Fourth Proportional to 662,362.60, 992,523.30 and 493,088.80

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Solution

The fourth proportional to 662,362.60, 992,523.30 and 493,088.80 is: 738,873.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,362.60 : 992,523.30 = 493,088.80 : x
  2. Step 2: Convert to fraction form
    662,362.60/992,523.30 = 493,088.80/x
  3. Step 3: Cross multiply
    662,362.60x = 992,523.30 × 493,088.80
  4. Step 4: Simplify right side
    662,362.60x = 489,402,122,969.04
  5. Step 5: Solve for x
    x = 489,402,122,969.04/662,362.60
  6. Step 6: Final answer
    x = 738,873.43

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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.