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Finding the Fourth Proportional to 575,378.88, 863,037 and 176,019.63

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Solution

The fourth proportional to 575,378.88, 863,037 and 176,019.63 is: 264,019.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,378.88 : 863,037 = 176,019.63 : x
  2. Step 2: Convert to fraction form
    575,378.88/863,037 = 176,019.63/x
  3. Step 3: Cross multiply
    575,378.88x = 863,037 × 176,019.63
  4. Step 4: Simplify right side
    575,378.88x = 151,911,453,416.31
  5. Step 5: Solve for x
    x = 151,911,453,416.31/575,378.88
  6. Step 6: Final answer
    x = 264,019.86

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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.