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Finding the Fourth Proportional to 653,396.86, 901,687.74 and 366,917.14

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Solution

The fourth proportional to 653,396.86, 901,687.74 and 366,917.14 is: 506,345.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,396.86 : 901,687.74 = 366,917.14 : x
  2. Step 2: Convert to fraction form
    653,396.86/901,687.74 = 366,917.14/x
  3. Step 3: Cross multiply
    653,396.86x = 901,687.74 × 366,917.14
  4. Step 4: Simplify right side
    653,396.86x = 330,844,686,733.86
  5. Step 5: Solve for x
    x = 330,844,686,733.86/653,396.86
  6. Step 6: Final answer
    x = 506,345.69

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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.