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Finding the Fourth Proportional to 547,348.56, 754,649.64 and 465,596.88

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Solution

The fourth proportional to 547,348.56, 754,649.64 and 465,596.88 is: 641,935.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,348.56 : 754,649.64 = 465,596.88 : x
  2. Step 2: Convert to fraction form
    547,348.56/754,649.64 = 465,596.88/x
  3. Step 3: Cross multiply
    547,348.56x = 754,649.64 × 465,596.88
  4. Step 4: Simplify right side
    547,348.56x = 351,362,517,877.12
  5. Step 5: Solve for x
    x = 351,362,517,877.12/547,348.56
  6. Step 6: Final answer
    x = 641,935.58

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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.