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Finding the Fourth Proportional to 488,946.90, 733,420.35 and 472,617.30

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Solution

The fourth proportional to 488,946.90, 733,420.35 and 472,617.30 is: 708,925.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,946.90 : 733,420.35 = 472,617.30 : x
  2. Step 2: Convert to fraction form
    488,946.90/733,420.35 = 472,617.30/x
  3. Step 3: Cross multiply
    488,946.90x = 733,420.35 × 472,617.30
  4. Step 4: Simplify right side
    488,946.90x = 346,627,145,582.06
  5. Step 5: Solve for x
    x = 346,627,145,582.06/488,946.90
  6. Step 6: Final answer
    x = 708,925.95

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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.