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Finding the Fourth Proportional to 591,029.20, 885,960.60 and 291,264.40

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Solution

The fourth proportional to 591,029.20, 885,960.60 and 291,264.40 is: 436,609.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,029.20 : 885,960.60 = 291,264.40 : x
  2. Step 2: Convert to fraction form
    591,029.20/885,960.60 = 291,264.40/x
  3. Step 3: Cross multiply
    591,029.20x = 885,960.60 × 291,264.40
  4. Step 4: Simplify right side
    591,029.20x = 258,048,782,582.64
  5. Step 5: Solve for x
    x = 258,048,782,582.64/591,029.20
  6. Step 6: Final answer
    x = 436,609.19

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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.