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Finding the Fourth Proportional to 357,220.58, 492,970.01 and 196,090.34

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Solution

The fourth proportional to 357,220.58, 492,970.01 and 196,090.34 is: 270,607.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,220.58 : 492,970.01 = 196,090.34 : x
  2. Step 2: Convert to fraction form
    357,220.58/492,970.01 = 196,090.34/x
  3. Step 3: Cross multiply
    357,220.58x = 492,970.01 × 196,090.34
  4. Step 4: Simplify right side
    357,220.58x = 96,666,653,425.40
  5. Step 5: Solve for x
    x = 96,666,653,425.40/357,220.58
  6. Step 6: Final answer
    x = 270,607.74

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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.