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Finding the Fourth Proportional to 575,597.76, 863,189.28 and 243,199.68

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Solution

The fourth proportional to 575,597.76, 863,189.28 and 243,199.68 is: 364,711.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,597.76 : 863,189.28 = 243,199.68 : x
  2. Step 2: Convert to fraction form
    575,597.76/863,189.28 = 243,199.68/x
  3. Step 3: Cross multiply
    575,597.76x = 863,189.28 × 243,199.68
  4. Step 4: Simplify right side
    575,597.76x = 209,927,356,675.43
  5. Step 5: Solve for x
    x = 209,927,356,675.43/575,597.76
  6. Step 6: Final answer
    x = 364,711.91

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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.