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Finding the Fourth Proportional to 573,339.12, 860,245.47 and 288,875.94

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Solution

The fourth proportional to 573,339.12, 860,245.47 and 288,875.94 is: 433,433.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,339.12 : 860,245.47 = 288,875.94 : x
  2. Step 2: Convert to fraction form
    573,339.12/860,245.47 = 288,875.94/x
  3. Step 3: Cross multiply
    573,339.12x = 860,245.47 × 288,875.94
  4. Step 4: Simplify right side
    573,339.12x = 248,504,218,776.99
  5. Step 5: Solve for x
    x = 248,504,218,776.99/573,339.12
  6. Step 6: Final answer
    x = 433,433.22

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1.5x scale

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.