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Finding the Fourth Proportional to 629,739.40, 883,501.40 and 629,739.40

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Solution

The fourth proportional to 629,739.40, 883,501.40 and 629,739.40 is: 883,501.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,739.40 : 883,501.40 = 629,739.40 : x
  2. Step 2: Convert to fraction form
    629,739.40/883,501.40 = 629,739.40/x
  3. Step 3: Cross multiply
    629,739.40x = 883,501.40 × 629,739.40
  4. Step 4: Simplify right side
    629,739.40x = 556,375,641,535.16
  5. Step 5: Solve for x
    x = 556,375,641,535.16/629,739.40
  6. Step 6: Final answer
    x = 883,501.40

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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.