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Finding the Fourth Proportional to 553,830.72, 831,404.16 and 466,175.04

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Solution

The fourth proportional to 553,830.72, 831,404.16 and 466,175.04 is: 699,816.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,830.72 : 831,404.16 = 466,175.04 : x
  2. Step 2: Convert to fraction form
    553,830.72/831,404.16 = 466,175.04/x
  3. Step 3: Cross multiply
    553,830.72x = 831,404.16 × 466,175.04
  4. Step 4: Simplify right side
    553,830.72x = 387,579,867,544.17
  5. Step 5: Solve for x
    x = 387,579,867,544.17/553,830.72
  6. Step 6: Final answer
    x = 699,816.48

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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.