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Finding the Fourth Proportional to 349,048.92, 523,573.60 and 99,730.92

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Solution

The fourth proportional to 349,048.92, 523,573.60 and 99,730.92 is: 149,596.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,048.92 : 523,573.60 = 99,730.92 : x
  2. Step 2: Convert to fraction form
    349,048.92/523,573.60 = 99,730.92/x
  3. Step 3: Cross multiply
    349,048.92x = 523,573.60 × 99,730.92
  4. Step 4: Simplify right side
    349,048.92x = 52,216,476,815.71
  5. Step 5: Solve for x
    x = 52,216,476,815.71/349,048.92
  6. Step 6: Final answer
    x = 149,596.44

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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.