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Finding the Fourth Proportional to 658,759.36, 985,776.96 and 570,317.12

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Solution

The fourth proportional to 658,759.36, 985,776.96 and 570,317.12 is: 853,430.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,759.36 : 985,776.96 = 570,317.12 : x
  2. Step 2: Convert to fraction form
    658,759.36/985,776.96 = 570,317.12/x
  3. Step 3: Cross multiply
    658,759.36x = 985,776.96 × 570,317.12
  4. Step 4: Simplify right side
    658,759.36x = 562,205,476,789.56
  5. Step 5: Solve for x
    x = 562,205,476,789.56/658,759.36
  6. Step 6: Final answer
    x = 853,430.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.