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Finding the Fourth Proportional to 653,144.06, 901,330.89 and 366,656.78

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Solution

The fourth proportional to 653,144.06, 901,330.89 and 366,656.78 is: 505,981.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,144.06 : 901,330.89 = 366,656.78 : x
  2. Step 2: Convert to fraction form
    653,144.06/901,330.89 = 366,656.78/x
  3. Step 3: Cross multiply
    653,144.06x = 901,330.89 × 366,656.78
  4. Step 4: Simplify right side
    653,144.06x = 330,479,081,841.93
  5. Step 5: Solve for x
    x = 330,479,081,841.93/653,144.06
  6. Step 6: Final answer
    x = 505,981.91

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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.