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Finding the Fourth Proportional to 495,855.30, 744,366.15 and 492,356.10

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Solution

The fourth proportional to 495,855.30, 744,366.15 and 492,356.10 is: 739,113.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,855.30 : 744,366.15 = 492,356.10 : x
  2. Step 2: Convert to fraction form
    495,855.30/744,366.15 = 492,356.10/x
  3. Step 3: Cross multiply
    495,855.30x = 744,366.15 × 492,356.10
  4. Step 4: Simplify right side
    495,855.30x = 366,493,214,586.02
  5. Step 5: Solve for x
    x = 366,493,214,586.02/495,855.30
  6. Step 6: Final answer
    x = 739,113.23

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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.