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Finding the Fourth Proportional to 555,897.66, 767,186.01 and 465,093.42

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Solution

The fourth proportional to 555,897.66, 767,186.01 and 465,093.42 is: 641,868.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,897.66 : 767,186.01 = 465,093.42 : x
  2. Step 2: Convert to fraction form
    555,897.66/767,186.01 = 465,093.42/x
  3. Step 3: Cross multiply
    555,897.66x = 767,186.01 × 465,093.42
  4. Step 4: Simplify right side
    555,897.66x = 356,813,165,167.05
  5. Step 5: Solve for x
    x = 356,813,165,167.05/555,897.66
  6. Step 6: Final answer
    x = 641,868.44

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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.