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Finding the Fourth Proportional to 443,897.55, 612,323.96 and 252,875.25

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Solution

The fourth proportional to 443,897.55, 612,323.96 and 252,875.25 is: 348,822.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,897.55 : 612,323.96 = 252,875.25 : x
  2. Step 2: Convert to fraction form
    443,897.55/612,323.96 = 252,875.25/x
  3. Step 3: Cross multiply
    443,897.55x = 612,323.96 × 252,875.25
  4. Step 4: Simplify right side
    443,897.55x = 154,841,573,201.61
  5. Step 5: Solve for x
    x = 154,841,573,201.61/443,897.55
  6. Step 6: Final answer
    x = 348,822.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.