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Finding the Fourth Proportional to 344,145.90, 475,094.02 and 215,156.04

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Solution

The fourth proportional to 344,145.90, 475,094.02 and 215,156.04 is: 297,023.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,145.90 : 475,094.02 = 215,156.04 : x
  2. Step 2: Convert to fraction form
    344,145.90/475,094.02 = 215,156.04/x
  3. Step 3: Cross multiply
    344,145.90x = 475,094.02 × 215,156.04
  4. Step 4: Simplify right side
    344,145.90x = 102,219,347,970.88
  5. Step 5: Solve for x
    x = 102,219,347,970.88/344,145.90
  6. Step 6: Final answer
    x = 297,023.29

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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.