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Finding the Fourth Proportional to 909,974.80, 1,364,962.20 and 732,827.80

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Solution

The fourth proportional to 909,974.80, 1,364,962.20 and 732,827.80 is: 1,099,241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,974.80 : 1,364,962.20 = 732,827.80 : x
  2. Step 2: Convert to fraction form
    909,974.80/1,364,962.20 = 732,827.80/x
  3. Step 3: Cross multiply
    909,974.80x = 1,364,962.20 × 732,827.80
  4. Step 4: Simplify right side
    909,974.80x = 1,000,282,246,109.16
  5. Step 5: Solve for x
    x = 1,000,282,246,109.16/909,974.80
  6. Step 6: Final answer
    x = 1,099,241.70

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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.