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Finding the Fourth Proportional to 672,101.64, 927,500.34 and 370,293

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Solution

The fourth proportional to 672,101.64, 927,500.34 and 370,293 is: 511,004.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,101.64 : 927,500.34 = 370,293 : x
  2. Step 2: Convert to fraction form
    672,101.64/927,500.34 = 370,293/x
  3. Step 3: Cross multiply
    672,101.64x = 927,500.34 × 370,293
  4. Step 4: Simplify right side
    672,101.64x = 343,446,883,399.62
  5. Step 5: Solve for x
    x = 343,446,883,399.62/672,101.64
  6. Step 6: Final answer
    x = 511,004.38

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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.