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Finding the Fourth Proportional to 349,827.60, 524,136.60 and 162,454.80

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Solution

The fourth proportional to 349,827.60, 524,136.60 and 162,454.80 is: 243,401.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,827.60 : 524,136.60 = 162,454.80 : x
  2. Step 2: Convert to fraction form
    349,827.60/524,136.60 = 162,454.80/x
  3. Step 3: Cross multiply
    349,827.60x = 524,136.60 × 162,454.80
  4. Step 4: Simplify right side
    349,827.60x = 85,148,506,525.68
  5. Step 5: Solve for x
    x = 85,148,506,525.68/349,827.60
  6. Step 6: Final answer
    x = 243,401.34

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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.