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Finding the Fourth Proportional to 605,801.37, 905,354.34 and 570,800.25

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Solution

The fourth proportional to 605,801.37, 905,354.34 and 570,800.25 is: 853,046.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,801.37 : 905,354.34 = 570,800.25 : x
  2. Step 2: Convert to fraction form
    605,801.37/905,354.34 = 570,800.25/x
  3. Step 3: Cross multiply
    605,801.37x = 905,354.34 × 570,800.25
  4. Step 4: Simplify right side
    605,801.37x = 516,776,483,610.59
  5. Step 5: Solve for x
    x = 516,776,483,610.59/605,801.37
  6. Step 6: Final answer
    x = 853,046.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.