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Finding the Fourth Proportional to 559,644.60, 839,466.90 and 473,039.40

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Solution

The fourth proportional to 559,644.60, 839,466.90 and 473,039.40 is: 709,559.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,644.60 : 839,466.90 = 473,039.40 : x
  2. Step 2: Convert to fraction form
    559,644.60/839,466.90 = 473,039.40/x
  3. Step 3: Cross multiply
    559,644.60x = 839,466.90 × 473,039.40
  4. Step 4: Simplify right side
    559,644.60x = 397,100,918,695.86
  5. Step 5: Solve for x
    x = 397,100,918,695.86/559,644.60
  6. Step 6: Final answer
    x = 709,559.10

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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.