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Finding the Fourth Proportional to 653,223.69, 901,425.54 and 366,755.85

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Solution

The fourth proportional to 653,223.69, 901,425.54 and 366,755.85 is: 506,110.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,223.69 : 901,425.54 = 366,755.85 : x
  2. Step 2: Convert to fraction form
    653,223.69/901,425.54 = 366,755.85/x
  3. Step 3: Cross multiply
    653,223.69x = 901,425.54 × 366,755.85
  4. Step 4: Simplify right side
    653,223.69x = 330,603,090,134.41
  5. Step 5: Solve for x
    x = 330,603,090,134.41/653,223.69
  6. Step 6: Final answer
    x = 506,110.07

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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.