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Finding the Fourth Proportional to 629,959.60, 944,939.40 and 556,476.40

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Solution

The fourth proportional to 629,959.60, 944,939.40 and 556,476.40 is: 834,714.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,959.60 : 944,939.40 = 556,476.40 : x
  2. Step 2: Convert to fraction form
    629,959.60/944,939.40 = 556,476.40/x
  3. Step 3: Cross multiply
    629,959.60x = 944,939.40 × 556,476.40
  4. Step 4: Simplify right side
    629,959.60x = 525,836,475,530.16
  5. Step 5: Solve for x
    x = 525,836,475,530.16/629,959.60
  6. Step 6: Final answer
    x = 834,714.60

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Similar ratio
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1.5x scale

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.