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Finding the Fourth Proportional to 349,354.80, 523,658.54 and 180,705.42

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Solution

The fourth proportional to 349,354.80, 523,658.54 and 180,705.42 is: 270,864.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,354.80 : 523,658.54 = 180,705.42 : x
  2. Step 2: Convert to fraction form
    349,354.80/523,658.54 = 180,705.42/x
  3. Step 3: Cross multiply
    349,354.80x = 523,658.54 × 180,705.42
  4. Step 4: Simplify right side
    349,354.80x = 94,627,935,503.76
  5. Step 5: Solve for x
    x = 94,627,935,503.76/349,354.80
  6. Step 6: Final answer
    x = 270,864.85

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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.