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Finding the Fourth Proportional to 541,460.16, 811,302.48 and 383,404.86

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Solution

The fourth proportional to 541,460.16, 811,302.48 and 383,404.86 is: 574,478.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,460.16 : 811,302.48 = 383,404.86 : x
  2. Step 2: Convert to fraction form
    541,460.16/811,302.48 = 383,404.86/x
  3. Step 3: Cross multiply
    541,460.16x = 811,302.48 × 383,404.86
  4. Step 4: Simplify right side
    541,460.16x = 311,057,313,762.05
  5. Step 5: Solve for x
    x = 311,057,313,762.05/541,460.16
  6. Step 6: Final answer
    x = 574,478.67

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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.