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Finding the Fourth Proportional to 310,570.60, 465,855.90 and 310,570.60

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Solution

The fourth proportional to 310,570.60, 465,855.90 and 310,570.60 is: 465,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,570.60 : 465,855.90 = 310,570.60 : x
  2. Step 2: Convert to fraction form
    310,570.60/465,855.90 = 310,570.60/x
  3. Step 3: Cross multiply
    310,570.60x = 465,855.90 × 310,570.60
  4. Step 4: Simplify right side
    310,570.60x = 144,681,146,376.54
  5. Step 5: Solve for x
    x = 144,681,146,376.54/310,570.60
  6. Step 6: Final answer
    x = 465,855.90

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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.