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Finding the Fourth Proportional to 629,590.59, 944,939.93 and 330,285.06

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Solution

The fourth proportional to 629,590.59, 944,939.93 and 330,285.06 is: 495,718.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,590.59 : 944,939.93 = 330,285.06 : x
  2. Step 2: Convert to fraction form
    629,590.59/944,939.93 = 330,285.06/x
  3. Step 3: Cross multiply
    629,590.59x = 944,939.93 × 330,285.06
  4. Step 4: Simplify right side
    629,590.59x = 312,099,539,825.02
  5. Step 5: Solve for x
    x = 312,099,539,825.02/629,590.59
  6. Step 6: Final answer
    x = 495,718.24

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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.