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Finding the Fourth Proportional to 629,970.40, 944,955.60 and 531,555.40

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Solution

The fourth proportional to 629,970.40, 944,955.60 and 531,555.40 is: 797,333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,970.40 : 944,955.60 = 531,555.40 : x
  2. Step 2: Convert to fraction form
    629,970.40/944,955.60 = 531,555.40/x
  3. Step 3: Cross multiply
    629,970.40x = 944,955.60 × 531,555.40
  4. Step 4: Simplify right side
    629,970.40x = 502,296,251,940.24
  5. Step 5: Solve for x
    x = 502,296,251,940.24/629,970.40
  6. Step 6: Final answer
    x = 797,333.10

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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.