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Finding the Fourth Proportional to 662,025.10, 992,017.05 and 492,751.30

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Solution

The fourth proportional to 662,025.10, 992,017.05 and 492,751.30 is: 738,367.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,025.10 : 992,017.05 = 492,751.30 : x
  2. Step 2: Convert to fraction form
    662,025.10/992,017.05 = 492,751.30/x
  3. Step 3: Cross multiply
    662,025.10x = 992,017.05 × 492,751.30
  4. Step 4: Simplify right side
    662,025.10x = 488,817,691,009.67
  5. Step 5: Solve for x
    x = 488,817,691,009.67/662,025.10
  6. Step 6: Final answer
    x = 738,367.31

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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.