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Finding the Fourth Proportional to 462,078.10, 693,117.15 and 162,604.90

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Solution

The fourth proportional to 462,078.10, 693,117.15 and 162,604.90 is: 243,907.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,078.10 : 693,117.15 = 162,604.90 : x
  2. Step 2: Convert to fraction form
    462,078.10/693,117.15 = 162,604.90/x
  3. Step 3: Cross multiply
    462,078.10x = 693,117.15 × 162,604.90
  4. Step 4: Simplify right side
    462,078.10x = 112,704,244,864.04
  5. Step 5: Solve for x
    x = 112,704,244,864.04/462,078.10
  6. Step 6: Final answer
    x = 243,907.35

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Similar ratio
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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.