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Finding the Fourth Proportional to 559,625.60, 839,438.40 and 473,020.40

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Solution

The fourth proportional to 559,625.60, 839,438.40 and 473,020.40 is: 709,530.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,625.60 : 839,438.40 = 473,020.40 : x
  2. Step 2: Convert to fraction form
    559,625.60/839,438.40 = 473,020.40/x
  3. Step 3: Cross multiply
    559,625.60x = 839,438.40 × 473,020.40
  4. Step 4: Simplify right side
    559,625.60x = 397,071,487,743.36
  5. Step 5: Solve for x
    x = 397,071,487,743.36/559,625.60
  6. Step 6: Final answer
    x = 709,530.60

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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.