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Finding the Fourth Proportional to 443,402.48, 611,701.04 and 271,328.71

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Solution

The fourth proportional to 443,402.48, 611,701.04 and 271,328.71 is: 374,314.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,402.48 : 611,701.04 = 271,328.71 : x
  2. Step 2: Convert to fraction form
    443,402.48/611,701.04 = 271,328.71/x
  3. Step 3: Cross multiply
    443,402.48x = 611,701.04 × 271,328.71
  4. Step 4: Simplify right side
    443,402.48x = 165,972,054,088.86
  5. Step 5: Solve for x
    x = 165,972,054,088.86/443,402.48
  6. Step 6: Final answer
    x = 374,314.67

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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.