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Finding the Fourth Proportional to 497,707.40, 746,563.80 and 123,730.40

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Solution

The fourth proportional to 497,707.40, 746,563.80 and 123,730.40 is: 185,596.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,707.40 : 746,563.80 = 123,730.40 : x
  2. Step 2: Convert to fraction form
    497,707.40/746,563.80 = 123,730.40/x
  3. Step 3: Cross multiply
    497,707.40x = 746,563.80 × 123,730.40
  4. Step 4: Simplify right side
    497,707.40x = 92,372,637,599.52
  5. Step 5: Solve for x
    x = 92,372,637,599.52/497,707.40
  6. Step 6: Final answer
    x = 185,596.27

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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.