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Finding the Fourth Proportional to 443,759.04, 612,892.44 and 298,312.20

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Solution

The fourth proportional to 443,759.04, 612,892.44 and 298,312.20 is: 412,010.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,759.04 : 612,892.44 = 298,312.20 : x
  2. Step 2: Convert to fraction form
    443,759.04/612,892.44 = 298,312.20/x
  3. Step 3: Cross multiply
    443,759.04x = 612,892.44 × 298,312.20
  4. Step 4: Simplify right side
    443,759.04x = 182,833,292,139.77
  5. Step 5: Solve for x
    x = 182,833,292,139.77/443,759.04
  6. Step 6: Final answer
    x = 412,010.29

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1.5x scale

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.