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Finding the Fourth Proportional to 591,161.60, 815,510.68 and 349,327.16

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Solution

The fourth proportional to 591,161.60, 815,510.68 and 349,327.16 is: 481,898.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,161.60 : 815,510.68 = 349,327.16 : x
  2. Step 2: Convert to fraction form
    591,161.60/815,510.68 = 349,327.16/x
  3. Step 3: Cross multiply
    591,161.60x = 815,510.68 × 349,327.16
  4. Step 4: Simplify right side
    591,161.60x = 284,880,029,794.07
  5. Step 5: Solve for x
    x = 284,880,029,794.07/591,161.60
  6. Step 6: Final answer
    x = 481,898.74

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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.