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Finding the Fourth Proportional to 462,002.40, 692,485.20 and 262,418.40

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Solution

The fourth proportional to 462,002.40, 692,485.20 and 262,418.40 is: 393,333.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,002.40 : 692,485.20 = 262,418.40 : x
  2. Step 2: Convert to fraction form
    462,002.40/692,485.20 = 262,418.40/x
  3. Step 3: Cross multiply
    462,002.40x = 692,485.20 × 262,418.40
  4. Step 4: Simplify right side
    462,002.40x = 181,720,858,207.68
  5. Step 5: Solve for x
    x = 181,720,858,207.68/462,002.40
  6. Step 6: Final answer
    x = 393,333.15

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1.5x scale

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.