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Finding the Fourth Proportional to 436,291.83, 601,880.63 and 255,011.40

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Solution

The fourth proportional to 436,291.83, 601,880.63 and 255,011.40 is: 351,797.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,291.83 : 601,880.63 = 255,011.40 : x
  2. Step 2: Convert to fraction form
    436,291.83/601,880.63 = 255,011.40/x
  3. Step 3: Cross multiply
    436,291.83x = 601,880.63 × 255,011.40
  4. Step 4: Simplify right side
    436,291.83x = 153,486,422,089.18
  5. Step 5: Solve for x
    x = 153,486,422,089.18/436,291.83
  6. Step 6: Final answer
    x = 351,797.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.