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Finding the Fourth Proportional to 296,907.53, 445,459.03 and 197,458.97

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Solution

The fourth proportional to 296,907.53, 445,459.03 and 197,458.97 is: 296,253.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,907.53 : 445,459.03 = 197,458.97 : x
  2. Step 2: Convert to fraction form
    296,907.53/445,459.03 = 197,458.97/x
  3. Step 3: Cross multiply
    296,907.53x = 445,459.03 × 197,458.97
  4. Step 4: Simplify right side
    296,907.53x = 87,959,878,520.06
  5. Step 5: Solve for x
    x = 87,959,878,520.06/296,907.53
  6. Step 6: Final answer
    x = 296,253.45

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1.5x scale

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.