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Finding the Fourth Proportional to 653,018.67, 901,116.32 and 366,483.42

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Solution

The fourth proportional to 653,018.67, 901,116.32 and 366,483.42 is: 505,719.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,018.67 : 901,116.32 = 366,483.42 : x
  2. Step 2: Convert to fraction form
    653,018.67/901,116.32 = 366,483.42/x
  3. Step 3: Cross multiply
    653,018.67x = 901,116.32 × 366,483.42
  4. Step 4: Simplify right side
    653,018.67x = 330,244,188,939.00
  5. Step 5: Solve for x
    x = 330,244,188,939.00/653,018.67
  6. Step 6: Final answer
    x = 505,719.37

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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.