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Finding the Fourth Proportional to 357,355.51, 534,881.43 and 197,179.63

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Solution

The fourth proportional to 357,355.51, 534,881.43 and 197,179.63 is: 295,133.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,355.51 : 534,881.43 = 197,179.63 : x
  2. Step 2: Convert to fraction form
    357,355.51/534,881.43 = 197,179.63/x
  3. Step 3: Cross multiply
    357,355.51x = 534,881.43 × 197,179.63
  4. Step 4: Simplify right side
    357,355.51x = 105,467,722,461.27
  5. Step 5: Solve for x
    x = 105,467,722,461.27/357,355.51
  6. Step 6: Final answer
    x = 295,133.89

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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.