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Finding the Fourth Proportional to 597,476.40, 893,590.20 and 455,758.80

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Solution

The fourth proportional to 597,476.40, 893,590.20 and 455,758.80 is: 681,636.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,476.40 : 893,590.20 = 455,758.80 : x
  2. Step 2: Convert to fraction form
    597,476.40/893,590.20 = 455,758.80/x
  3. Step 3: Cross multiply
    597,476.40x = 893,590.20 × 455,758.80
  4. Step 4: Simplify right side
    597,476.40x = 407,261,597,243.76
  5. Step 5: Solve for x
    x = 407,261,597,243.76/597,476.40
  6. Step 6: Final answer
    x = 681,636.29

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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.