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Finding the Fourth Proportional to 349,353.61, 524,141.18 and 124,709.23

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Solution

The fourth proportional to 349,353.61, 524,141.18 and 124,709.23 is: 187,103.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,353.61 : 524,141.18 = 124,709.23 : x
  2. Step 2: Convert to fraction form
    349,353.61/524,141.18 = 124,709.23/x
  3. Step 3: Cross multiply
    349,353.61x = 524,141.18 × 124,709.23
  4. Step 4: Simplify right side
    349,353.61x = 65,365,239,724.84
  5. Step 5: Solve for x
    x = 65,365,239,724.84/349,353.61
  6. Step 6: Final answer
    x = 187,103.38

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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.