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Finding the Fourth Proportional to 587,808.12, 811,184.58 and 333,153.84

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Solution

The fourth proportional to 587,808.12, 811,184.58 and 333,153.84 is: 459,757.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,808.12 : 811,184.58 = 333,153.84 : x
  2. Step 2: Convert to fraction form
    587,808.12/811,184.58 = 333,153.84/x
  3. Step 3: Cross multiply
    587,808.12x = 811,184.58 × 333,153.84
  4. Step 4: Simplify right side
    587,808.12x = 270,249,257,775.79
  5. Step 5: Solve for x
    x = 270,249,257,775.79/587,808.12
  6. Step 6: Final answer
    x = 459,757.61

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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.