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Finding the Fourth Proportional to 562,223.40, 843,479.10 and 325,141.80

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Solution

The fourth proportional to 562,223.40, 843,479.10 and 325,141.80 is: 487,795.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,223.40 : 843,479.10 = 325,141.80 : x
  2. Step 2: Convert to fraction form
    562,223.40/843,479.10 = 325,141.80/x
  3. Step 3: Cross multiply
    562,223.40x = 843,479.10 × 325,141.80
  4. Step 4: Simplify right side
    562,223.40x = 274,250,312,836.38
  5. Step 5: Solve for x
    x = 274,250,312,836.38/562,223.40
  6. Step 6: Final answer
    x = 487,795.98

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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.