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Finding the Fourth Proportional to 622,695.60, 934,043.40 and 173,485.80

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Solution

The fourth proportional to 622,695.60, 934,043.40 and 173,485.80 is: 260,228.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,695.60 : 934,043.40 = 173,485.80 : x
  2. Step 2: Convert to fraction form
    622,695.60/934,043.40 = 173,485.80/x
  3. Step 3: Cross multiply
    622,695.60x = 934,043.40 × 173,485.80
  4. Step 4: Simplify right side
    622,695.60x = 162,043,266,483.72
  5. Step 5: Solve for x
    x = 162,043,266,483.72/622,695.60
  6. Step 6: Final answer
    x = 260,228.70

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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.