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Finding the Fourth Proportional to 555,581.62, 830,999.13 and 463,839.40

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Solution

The fourth proportional to 555,581.62, 830,999.13 and 463,839.40 is: 693,777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,581.62 : 830,999.13 = 463,839.40 : x
  2. Step 2: Convert to fraction form
    555,581.62/830,999.13 = 463,839.40/x
  3. Step 3: Cross multiply
    555,581.62x = 830,999.13 × 463,839.40
  4. Step 4: Simplify right side
    555,581.62x = 385,450,137,859.72
  5. Step 5: Solve for x
    x = 385,450,137,859.72/555,581.62
  6. Step 6: Final answer
    x = 693,777.70

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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.