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Finding the Fourth Proportional to 465,595.90, 699,279.48 and 289,334.63

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Solution

The fourth proportional to 465,595.90, 699,279.48 and 289,334.63 is: 434,552.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,595.90 : 699,279.48 = 289,334.63 : x
  2. Step 2: Convert to fraction form
    465,595.90/699,279.48 = 289,334.63/x
  3. Step 3: Cross multiply
    465,595.90x = 699,279.48 × 289,334.63
  4. Step 4: Simplify right side
    465,595.90x = 202,325,771,360.59
  5. Step 5: Solve for x
    x = 202,325,771,360.59/465,595.90
  6. Step 6: Final answer
    x = 434,552.31

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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.