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Finding the Fourth Proportional to 404,589.96, 606,392.30 and 286,295.56

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Solution

The fourth proportional to 404,589.96, 606,392.30 and 286,295.56 is: 429,094.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,589.96 : 606,392.30 = 286,295.56 : x
  2. Step 2: Convert to fraction form
    404,589.96/606,392.30 = 286,295.56/x
  3. Step 3: Cross multiply
    404,589.96x = 606,392.30 × 286,295.56
  4. Step 4: Simplify right side
    404,589.96x = 173,607,423,108.19
  5. Step 5: Solve for x
    x = 173,607,423,108.19/404,589.96
  6. Step 6: Final answer
    x = 429,094.74

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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.