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Finding the Fourth Proportional to 477,492.50, 658,939.98 and 262,648.91

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Solution

The fourth proportional to 477,492.50, 658,939.98 and 262,648.91 is: 362,455.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,492.50 : 658,939.98 = 262,648.91 : x
  2. Step 2: Convert to fraction form
    477,492.50/658,939.98 = 262,648.91/x
  3. Step 3: Cross multiply
    477,492.50x = 658,939.98 × 262,648.91
  4. Step 4: Simplify right side
    477,492.50x = 173,069,864,207.72
  5. Step 5: Solve for x
    x = 173,069,864,207.72/477,492.50
  6. Step 6: Final answer
    x = 362,455.67

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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.