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Finding the Fourth Proportional to 473,649.12, 653,553.36 and 282,651.12

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Solution

The fourth proportional to 473,649.12, 653,553.36 and 282,651.12 is: 390,009.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,649.12 : 653,553.36 = 282,651.12 : x
  2. Step 2: Convert to fraction form
    473,649.12/653,553.36 = 282,651.12/x
  3. Step 3: Cross multiply
    473,649.12x = 653,553.36 × 282,651.12
  4. Step 4: Simplify right side
    473,649.12x = 184,727,589,183.76
  5. Step 5: Solve for x
    x = 184,727,589,183.76/473,649.12
  6. Step 6: Final answer
    x = 390,009.36

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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.