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Finding the Fourth Proportional to 622,712.80, 934,069.80 and 173,434.60

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Solution

The fourth proportional to 622,712.80, 934,069.80 and 173,434.60 is: 260,152.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,712.80 : 934,069.80 = 173,434.60 : x
  2. Step 2: Convert to fraction form
    622,712.80/934,069.80 = 173,434.60/x
  3. Step 3: Cross multiply
    622,712.80x = 934,069.80 × 173,434.60
  4. Step 4: Simplify right side
    622,712.80x = 162,000,022,135.08
  5. Step 5: Solve for x
    x = 162,000,022,135.08/622,712.80
  6. Step 6: Final answer
    x = 260,152.07

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1.5x scale

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.