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Finding the Fourth Proportional to 622,975.60, 934,463.40 and 617,070.70

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Solution

The fourth proportional to 622,975.60, 934,463.40 and 617,070.70 is: 925,606.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,975.60 : 934,463.40 = 617,070.70 : x
  2. Step 2: Convert to fraction form
    622,975.60/934,463.40 = 617,070.70/x
  3. Step 3: Cross multiply
    622,975.60x = 934,463.40 × 617,070.70
  4. Step 4: Simplify right side
    622,975.60x = 576,629,984,362.38
  5. Step 5: Solve for x
    x = 576,629,984,362.38/622,975.60
  6. Step 6: Final answer
    x = 925,606.05

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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.