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Finding the Fourth Proportional to 591,665.45, 816,570.23 and 333,592.11

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Solution

The fourth proportional to 591,665.45, 816,570.23 and 333,592.11 is: 460,397.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,665.45 : 816,570.23 = 333,592.11 : x
  2. Step 2: Convert to fraction form
    591,665.45/816,570.23 = 333,592.11/x
  3. Step 3: Cross multiply
    591,665.45x = 816,570.23 × 333,592.11
  4. Step 4: Simplify right side
    591,665.45x = 272,401,384,320.93
  5. Step 5: Solve for x
    x = 272,401,384,320.93/591,665.45
  6. Step 6: Final answer
    x = 460,397.66

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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.