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Finding the Fourth Proportional to 347,978.79, 480,196.22 and 197,075.79

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Solution

The fourth proportional to 347,978.79, 480,196.22 and 197,075.79 is: 271,956.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,978.79 : 480,196.22 = 197,075.79 : x
  2. Step 2: Convert to fraction form
    347,978.79/480,196.22 = 197,075.79/x
  3. Step 3: Cross multiply
    347,978.79x = 480,196.22 × 197,075.79
  4. Step 4: Simplify right side
    347,978.79x = 94,635,048,426.13
  5. Step 5: Solve for x
    x = 94,635,048,426.13/347,978.79
  6. Step 6: Final answer
    x = 271,956.37

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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.