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Finding the Fourth Proportional to 448,327.66, 671,543.37 and 362,570.53

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Solution

The fourth proportional to 448,327.66, 671,543.37 and 362,570.53 is: 543,089.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,327.66 : 671,543.37 = 362,570.53 : x
  2. Step 2: Convert to fraction form
    448,327.66/671,543.37 = 362,570.53/x
  3. Step 3: Cross multiply
    448,327.66x = 671,543.37 × 362,570.53
  4. Step 4: Simplify right side
    448,327.66x = 243,481,835,578.89
  5. Step 5: Solve for x
    x = 243,481,835,578.89/448,327.66
  6. Step 6: Final answer
    x = 543,089.03

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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.