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Finding the Fourth Proportional to 570,567.80, 854,930.10 and 359,828.60

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Solution

The fourth proportional to 570,567.80, 854,930.10 and 359,828.60 is: 539,161.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,567.80 : 854,930.10 = 359,828.60 : x
  2. Step 2: Convert to fraction form
    570,567.80/854,930.10 = 359,828.60/x
  3. Step 3: Cross multiply
    570,567.80x = 854,930.10 × 359,828.60
  4. Step 4: Simplify right side
    570,567.80x = 307,628,300,980.86
  5. Step 5: Solve for x
    x = 307,628,300,980.86/570,567.80
  6. Step 6: Final answer
    x = 539,161.69

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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.