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Finding the Fourth Proportional to 462,074.40, 693,111.60 and 455,853.60

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Solution

The fourth proportional to 462,074.40, 693,111.60 and 455,853.60 is: 683,780.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,074.40 : 693,111.60 = 455,853.60 : x
  2. Step 2: Convert to fraction form
    462,074.40/693,111.60 = 455,853.60/x
  3. Step 3: Cross multiply
    462,074.40x = 693,111.60 × 455,853.60
  4. Step 4: Simplify right side
    462,074.40x = 315,957,418,061.76
  5. Step 5: Solve for x
    x = 315,957,418,061.76/462,074.40
  6. Step 6: Final answer
    x = 683,780.40

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Similar ratio
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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.