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Finding the Fourth Proportional to 307,160.84, 460,143.47 and 173,637.20

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Solution

The fourth proportional to 307,160.84, 460,143.47 and 173,637.20 is: 260,117.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,160.84 : 460,143.47 = 173,637.20 : x
  2. Step 2: Convert to fraction form
    307,160.84/460,143.47 = 173,637.20/x
  3. Step 3: Cross multiply
    307,160.84x = 460,143.47 × 173,637.20
  4. Step 4: Simplify right side
    307,160.84x = 79,898,023,729.08
  5. Step 5: Solve for x
    x = 79,898,023,729.08/307,160.84
  6. Step 6: Final answer
    x = 260,117.87

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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.