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Finding the Fourth Proportional to 573,158.40, 859,910.40 and 307,046.40

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Solution

The fourth proportional to 573,158.40, 859,910.40 and 307,046.40 is: 460,662.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,158.40 : 859,910.40 = 307,046.40 : x
  2. Step 2: Convert to fraction form
    573,158.40/859,910.40 = 307,046.40/x
  3. Step 3: Cross multiply
    573,158.40x = 859,910.40 × 307,046.40
  4. Step 4: Simplify right side
    573,158.40x = 264,032,392,642.56
  5. Step 5: Solve for x
    x = 264,032,392,642.56/573,158.40
  6. Step 6: Final answer
    x = 460,662.17

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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.