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Finding the Fourth Proportional to 562,247.91, 842,830.56 and 207,068.16

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Solution

The fourth proportional to 562,247.91, 842,830.56 and 207,068.16 is: 310,402.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,247.91 : 842,830.56 = 207,068.16 : x
  2. Step 2: Convert to fraction form
    562,247.91/842,830.56 = 207,068.16/x
  3. Step 3: Cross multiply
    562,247.91x = 842,830.56 × 207,068.16
  4. Step 4: Simplify right side
    562,247.91x = 174,523,373,250.97
  5. Step 5: Solve for x
    x = 174,523,373,250.97/562,247.91
  6. Step 6: Final answer
    x = 310,402.88

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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.