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Finding the Fourth Proportional to 424,997.77, 634,387.29 and 374,554.00

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Solution

The fourth proportional to 424,997.77, 634,387.29 and 374,554.00 is: 559,090.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,997.77 : 634,387.29 = 374,554.00 : x
  2. Step 2: Convert to fraction form
    424,997.77/634,387.29 = 374,554.00/x
  3. Step 3: Cross multiply
    424,997.77x = 634,387.29 × 374,554.00
  4. Step 4: Simplify right side
    424,997.77x = 237,612,291,973.95
  5. Step 5: Solve for x
    x = 237,612,291,973.95/424,997.77
  6. Step 6: Final answer
    x = 559,090.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.