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Finding the Fourth Proportional to 537,188.30, 804,907.65 and 395,470.70

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Solution

The fourth proportional to 537,188.30, 804,907.65 and 395,470.70 is: 592,562.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,188.30 : 804,907.65 = 395,470.70 : x
  2. Step 2: Convert to fraction form
    537,188.30/804,907.65 = 395,470.70/x
  3. Step 3: Cross multiply
    537,188.30x = 804,907.65 × 395,470.70
  4. Step 4: Simplify right side
    537,188.30x = 318,317,391,780.86
  5. Step 5: Solve for x
    x = 318,317,391,780.86/537,188.30
  6. Step 6: Final answer
    x = 592,562.03

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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.