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Finding the Fourth Proportional to 573,217.85, 859,825.76 and 152,493.72

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Solution

The fourth proportional to 573,217.85, 859,825.76 and 152,493.72 is: 228,740.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,217.85 : 859,825.76 = 152,493.72 : x
  2. Step 2: Convert to fraction form
    573,217.85/859,825.76 = 152,493.72/x
  3. Step 3: Cross multiply
    573,217.85x = 859,825.76 × 152,493.72
  4. Step 4: Simplify right side
    573,217.85x = 131,118,027,931.76
  5. Step 5: Solve for x
    x = 131,118,027,931.76/573,217.85
  6. Step 6: Final answer
    x = 228,740.31

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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.