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Finding the Fourth Proportional to 617,117.40, 925,676.10 and 492,701.40

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Solution

The fourth proportional to 617,117.40, 925,676.10 and 492,701.40 is: 739,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,117.40 : 925,676.10 = 492,701.40 : x
  2. Step 2: Convert to fraction form
    617,117.40/925,676.10 = 492,701.40/x
  3. Step 3: Cross multiply
    617,117.40x = 925,676.10 × 492,701.40
  4. Step 4: Simplify right side
    617,117.40x = 456,081,910,416.54
  5. Step 5: Solve for x
    x = 456,081,910,416.54/617,117.40
  6. Step 6: Final answer
    x = 739,052.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.