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Finding the Fourth Proportional to 573,114.48, 859,374.60 and 303,388.80

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Solution

The fourth proportional to 573,114.48, 859,374.60 and 303,388.80 is: 454,925.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,114.48 : 859,374.60 = 303,388.80 : x
  2. Step 2: Convert to fraction form
    573,114.48/859,374.60 = 303,388.80/x
  3. Step 3: Cross multiply
    573,114.48x = 859,374.60 × 303,388.80
  4. Step 4: Simplify right side
    573,114.48x = 260,724,628,644.48
  5. Step 5: Solve for x
    x = 260,724,628,644.48/573,114.48
  6. Step 6: Final answer
    x = 454,925.91

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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.