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Finding the Fourth Proportional to 356,024.36, 534,035.31 and 145,662.30

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Solution

The fourth proportional to 356,024.36, 534,035.31 and 145,662.30 is: 218,492.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,024.36 : 534,035.31 = 145,662.30 : x
  2. Step 2: Convert to fraction form
    356,024.36/534,035.31 = 145,662.30/x
  3. Step 3: Cross multiply
    356,024.36x = 534,035.31 × 145,662.30
  4. Step 4: Simplify right side
    356,024.36x = 77,788,811,535.81
  5. Step 5: Solve for x
    x = 77,788,811,535.81/356,024.36
  6. Step 6: Final answer
    x = 218,492.95

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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.