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Finding the Fourth Proportional to 573,923.61, 860,495.81 and 321,377.76

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Solution

The fourth proportional to 573,923.61, 860,495.81 and 321,377.76 is: 481,848.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,923.61 : 860,495.81 = 321,377.76 : x
  2. Step 2: Convert to fraction form
    573,923.61/860,495.81 = 321,377.76/x
  3. Step 3: Cross multiply
    573,923.61x = 860,495.81 × 321,377.76
  4. Step 4: Simplify right side
    573,923.61x = 276,544,214,300.30
  5. Step 5: Solve for x
    x = 276,544,214,300.30/573,923.61
  6. Step 6: Final answer
    x = 481,848.47

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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.