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Finding the Fourth Proportional to 623,653.72, 935,246.10 and 492,083.80

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Solution

The fourth proportional to 623,653.72, 935,246.10 and 492,083.80 is: 737,940.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,653.72 : 935,246.10 = 492,083.80 : x
  2. Step 2: Convert to fraction form
    623,653.72/935,246.10 = 492,083.80/x
  3. Step 3: Cross multiply
    623,653.72x = 935,246.10 × 492,083.80
  4. Step 4: Simplify right side
    623,653.72x = 460,219,454,823.18
  5. Step 5: Solve for x
    x = 460,219,454,823.18/623,653.72
  6. Step 6: Final answer
    x = 737,940.69

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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.