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Finding the Fourth Proportional to 573,963.40, 859,908.30 and 507,608.20

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Solution

The fourth proportional to 573,963.40, 859,908.30 and 507,608.20 is: 760,495.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,963.40 : 859,908.30 = 507,608.20 : x
  2. Step 2: Convert to fraction form
    573,963.40/859,908.30 = 507,608.20/x
  3. Step 3: Cross multiply
    573,963.40x = 859,908.30 × 507,608.20
  4. Step 4: Simplify right side
    573,963.40x = 436,496,504,328.06
  5. Step 5: Solve for x
    x = 436,496,504,328.06/573,963.40
  6. Step 6: Final answer
    x = 760,495.36

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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.