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Finding the Fourth Proportional to 349,434.55, 524,050.46 and 136,154.89

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Solution

The fourth proportional to 349,434.55, 524,050.46 and 136,154.89 is: 204,192.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,434.55 : 524,050.46 = 136,154.89 : x
  2. Step 2: Convert to fraction form
    349,434.55/524,050.46 = 136,154.89/x
  3. Step 3: Cross multiply
    349,434.55x = 524,050.46 × 136,154.89
  4. Step 4: Simplify right side
    349,434.55x = 71,352,030,115.50
  5. Step 5: Solve for x
    x = 71,352,030,115.50/349,434.55
  6. Step 6: Final answer
    x = 204,192.83

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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.