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Finding the Fourth Proportional to 629,734.40, 883,494.40 and 629,734.40

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Solution

The fourth proportional to 629,734.40, 883,494.40 and 629,734.40 is: 883,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,734.40 : 883,494.40 = 629,734.40 : x
  2. Step 2: Convert to fraction form
    629,734.40/883,494.40 = 629,734.40/x
  3. Step 3: Cross multiply
    629,734.40x = 883,494.40 × 629,734.40
  4. Step 4: Simplify right side
    629,734.40x = 556,366,815,887.36
  5. Step 5: Solve for x
    x = 556,366,815,887.36/629,734.40
  6. Step 6: Final answer
    x = 883,494.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.