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Finding the Fourth Proportional to 653,011.86, 901,106.96 and 366,476.60

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Solution

The fourth proportional to 653,011.86, 901,106.96 and 366,476.60 is: 505,709.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,011.86 : 901,106.96 = 366,476.60 : x
  2. Step 2: Convert to fraction form
    653,011.86/901,106.96 = 366,476.60/x
  3. Step 3: Cross multiply
    653,011.86x = 901,106.96 × 366,476.60
  4. Step 4: Simplify right side
    653,011.86x = 330,234,608,599.22
  5. Step 5: Solve for x
    x = 330,234,608,599.22/653,011.86
  6. Step 6: Final answer
    x = 505,709.97

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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.