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Finding the Fourth Proportional to 497,675.40, 746,513.10 and 123,698.40

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Solution

The fourth proportional to 497,675.40, 746,513.10 and 123,698.40 is: 185,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,675.40 : 746,513.10 = 123,698.40 : x
  2. Step 2: Convert to fraction form
    497,675.40/746,513.10 = 123,698.40/x
  3. Step 3: Cross multiply
    497,675.40x = 746,513.10 × 123,698.40
  4. Step 4: Simplify right side
    497,675.40x = 92,342,476,049.04
  5. Step 5: Solve for x
    x = 92,342,476,049.04/497,675.40
  6. Step 6: Final answer
    x = 185,547.60

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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.