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Finding the Fourth Proportional to 323,064.09, 484,596.02 and 86,400.63

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Solution

The fourth proportional to 323,064.09, 484,596.02 and 86,400.63 is: 129,600.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,064.09 : 484,596.02 = 86,400.63 : x
  2. Step 2: Convert to fraction form
    323,064.09/484,596.02 = 86,400.63/x
  3. Step 3: Cross multiply
    323,064.09x = 484,596.02 × 86,400.63
  4. Step 4: Simplify right side
    323,064.09x = 41,869,401,423.49
  5. Step 5: Solve for x
    x = 41,869,401,423.49/323,064.09
  6. Step 6: Final answer
    x = 129,600.91

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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.