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Finding the Fourth Proportional to 482,432.00, 665,320.50 and 301,160.70

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Solution

The fourth proportional to 482,432.00, 665,320.50 and 301,160.70 is: 415,329.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,432.00 : 665,320.50 = 301,160.70 : x
  2. Step 2: Convert to fraction form
    482,432.00/665,320.50 = 301,160.70/x
  3. Step 3: Cross multiply
    482,432.00x = 665,320.50 × 301,160.70
  4. Step 4: Simplify right side
    482,432.00x = 200,368,387,504.35
  5. Step 5: Solve for x
    x = 200,368,387,504.35/482,432.00
  6. Step 6: Final answer
    x = 415,329.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.