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Finding the Fourth Proportional to 674,636.44, 930,908.27 and 433,245.98

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Solution

The fourth proportional to 674,636.44, 930,908.27 and 433,245.98 is: 597,821.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,636.44 : 930,908.27 = 433,245.98 : x
  2. Step 2: Convert to fraction form
    674,636.44/930,908.27 = 433,245.98/x
  3. Step 3: Cross multiply
    674,636.44x = 930,908.27 × 433,245.98
  4. Step 4: Simplify right side
    674,636.44x = 403,312,264,712.62
  5. Step 5: Solve for x
    x = 403,312,264,712.62/674,636.44
  6. Step 6: Final answer
    x = 597,821.64

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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.