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Finding the Fourth Proportional to 648,818.64, 973,227.42 and 472,447.62

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Solution

The fourth proportional to 648,818.64, 973,227.42 and 472,447.62 is: 708,671.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,818.64 : 973,227.42 = 472,447.62 : x
  2. Step 2: Convert to fraction form
    648,818.64/973,227.42 = 472,447.62/x
  3. Step 3: Cross multiply
    648,818.64x = 973,227.42 × 472,447.62
  4. Step 4: Simplify right side
    648,818.64x = 459,798,978,297.74
  5. Step 5: Solve for x
    x = 459,798,978,297.74/648,818.64
  6. Step 6: Final answer
    x = 708,671.04

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Double scale
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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.