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Finding the Fourth Proportional to 632,897.84, 948,679.32 and 433,164.80

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Solution

The fourth proportional to 632,897.84, 948,679.32 and 433,164.80 is: 649,290.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,897.84 : 948,679.32 = 433,164.80 : x
  2. Step 2: Convert to fraction form
    632,897.84/948,679.32 = 433,164.80/x
  3. Step 3: Cross multiply
    632,897.84x = 948,679.32 × 433,164.80
  4. Step 4: Simplify right side
    632,897.84x = 410,934,487,911.94
  5. Step 5: Solve for x
    x = 410,934,487,911.94/632,897.84
  6. Step 6: Final answer
    x = 649,290.39

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1.5x scale

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.