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Finding the Fourth Proportional to 475,166.64, 655,730.24 and 260,314.48

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Solution

The fourth proportional to 475,166.64, 655,730.24 and 260,314.48 is: 359,234.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,166.64 : 655,730.24 = 260,314.48 : x
  2. Step 2: Convert to fraction form
    475,166.64/655,730.24 = 260,314.48/x
  3. Step 3: Cross multiply
    475,166.64x = 655,730.24 × 260,314.48
  4. Step 4: Simplify right side
    475,166.64x = 170,696,076,445.88
  5. Step 5: Solve for x
    x = 170,696,076,445.88/475,166.64
  6. Step 6: Final answer
    x = 359,234.13

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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.