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Finding the Fourth Proportional to 307,389.60, 460,587.60 and 173,872.80

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Solution

The fourth proportional to 307,389.60, 460,587.60 and 173,872.80 is: 260,528.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,389.60 : 460,587.60 = 173,872.80 : x
  2. Step 2: Convert to fraction form
    307,389.60/460,587.60 = 173,872.80/x
  3. Step 3: Cross multiply
    307,389.60x = 460,587.60 × 173,872.80
  4. Step 4: Simplify right side
    307,389.60x = 80,083,655,657.28
  5. Step 5: Solve for x
    x = 80,083,655,657.28/307,389.60
  6. Step 6: Final answer
    x = 260,528.19

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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.