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Finding the Fourth Proportional to 519,880.46, 717,354.14 and 293,521.10

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Solution

The fourth proportional to 519,880.46, 717,354.14 and 293,521.10 is: 405,013.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,880.46 : 717,354.14 = 293,521.10 : x
  2. Step 2: Convert to fraction form
    519,880.46/717,354.14 = 293,521.10/x
  3. Step 3: Cross multiply
    519,880.46x = 717,354.14 × 293,521.10
  4. Step 4: Simplify right side
    519,880.46x = 210,558,571,207.98
  5. Step 5: Solve for x
    x = 210,558,571,207.98/519,880.46
  6. Step 6: Final answer
    x = 405,013.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.