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Finding the Fourth Proportional to 653,005.62, 901,138.77 and 366,520.50

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Solution

The fourth proportional to 653,005.62, 901,138.77 and 366,520.50 is: 505,793.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,005.62 : 901,138.77 = 366,520.50 : x
  2. Step 2: Convert to fraction form
    653,005.62/901,138.77 = 366,520.50/x
  3. Step 3: Cross multiply
    653,005.62x = 901,138.77 × 366,520.50
  4. Step 4: Simplify right side
    653,005.62x = 330,285,832,549.79
  5. Step 5: Solve for x
    x = 330,285,832,549.79/653,005.62
  6. Step 6: Final answer
    x = 505,793.25

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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.