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Finding the Fourth Proportional to 559,409.80, 839,114.70 and 483,302.20

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Solution

The fourth proportional to 559,409.80, 839,114.70 and 483,302.20 is: 724,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,409.80 : 839,114.70 = 483,302.20 : x
  2. Step 2: Convert to fraction form
    559,409.80/839,114.70 = 483,302.20/x
  3. Step 3: Cross multiply
    559,409.80x = 839,114.70 × 483,302.20
  4. Step 4: Simplify right side
    559,409.80x = 405,545,980,562.34
  5. Step 5: Solve for x
    x = 405,545,980,562.34/559,409.80
  6. Step 6: Final answer
    x = 724,953.30

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Double scale
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Similar ratio
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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.