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Finding the Fourth Proportional to 347,034.02, 478,903.59 and 194,070.47

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Solution

The fourth proportional to 347,034.02, 478,903.59 and 194,070.47 is: 267,815.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,034.02 : 478,903.59 = 194,070.47 : x
  2. Step 2: Convert to fraction form
    347,034.02/478,903.59 = 194,070.47/x
  3. Step 3: Cross multiply
    347,034.02x = 478,903.59 × 194,070.47
  4. Step 4: Simplify right side
    347,034.02x = 92,941,042,401.47
  5. Step 5: Solve for x
    x = 92,941,042,401.47/347,034.02
  6. Step 6: Final answer
    x = 267,815.37

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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.