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Finding the Fourth Proportional to 570,973.80, 855,539.10 and 360,234.60

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Solution

The fourth proportional to 570,973.80, 855,539.10 and 360,234.60 is: 539,770.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,973.80 : 855,539.10 = 360,234.60 : x
  2. Step 2: Convert to fraction form
    570,973.80/855,539.10 = 360,234.60/x
  3. Step 3: Cross multiply
    570,973.80x = 855,539.10 × 360,234.60
  4. Step 4: Simplify right side
    570,973.80x = 308,194,785,472.86
  5. Step 5: Solve for x
    x = 308,194,785,472.86/570,973.80
  6. Step 6: Final answer
    x = 539,770.45

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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.