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Finding the Fourth Proportional to 705,519.60, 973,771.11 and 433,821.30

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Solution

The fourth proportional to 705,519.60, 973,771.11 and 433,821.30 is: 598,768.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,519.60 : 973,771.11 = 433,821.30 : x
  2. Step 2: Convert to fraction form
    705,519.60/973,771.11 = 433,821.30/x
  3. Step 3: Cross multiply
    705,519.60x = 973,771.11 × 433,821.30
  4. Step 4: Simplify right side
    705,519.60x = 422,442,648,842.64
  5. Step 5: Solve for x
    x = 422,442,648,842.64/705,519.60
  6. Step 6: Final answer
    x = 598,768.13

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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.