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Finding the Fourth Proportional to 656,798.14, 906,432.78 and 366,500.98

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Solution

The fourth proportional to 656,798.14, 906,432.78 and 366,500.98 is: 505,800.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,798.14 : 906,432.78 = 366,500.98 : x
  2. Step 2: Convert to fraction form
    656,798.14/906,432.78 = 366,500.98/x
  3. Step 3: Cross multiply
    656,798.14x = 906,432.78 × 366,500.98
  4. Step 4: Simplify right side
    656,798.14x = 332,208,502,174.12
  5. Step 5: Solve for x
    x = 332,208,502,174.12/656,798.14
  6. Step 6: Final answer
    x = 505,800.00

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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.