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Finding the Fourth Proportional to 569,534.84, 855,854.23 and 303,485.48

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Solution

The fourth proportional to 569,534.84, 855,854.23 and 303,485.48 is: 456,055.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,534.84 : 855,854.23 = 303,485.48 : x
  2. Step 2: Convert to fraction form
    569,534.84/855,854.23 = 303,485.48/x
  3. Step 3: Cross multiply
    569,534.84x = 855,854.23 × 303,485.48
  4. Step 4: Simplify right side
    569,534.84x = 259,739,333,182.50
  5. Step 5: Solve for x
    x = 259,739,333,182.50/569,534.84
  6. Step 6: Final answer
    x = 456,055.21

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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.