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Finding the Fourth Proportional to 303,670.70, 455,516.85 and 93,308.30

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Solution

The fourth proportional to 303,670.70, 455,516.85 and 93,308.30 is: 139,965.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,670.70 : 455,516.85 = 93,308.30 : x
  2. Step 2: Convert to fraction form
    303,670.70/455,516.85 = 93,308.30/x
  3. Step 3: Cross multiply
    303,670.70x = 455,516.85 × 93,308.30
  4. Step 4: Simplify right side
    303,670.70x = 42,503,502,894.86
  5. Step 5: Solve for x
    x = 42,503,502,894.86/303,670.70
  6. Step 6: Final answer
    x = 139,965.77

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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.