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Finding the Fourth Proportional to 356,399.59, 534,599.16 and 143,167.45

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Solution

The fourth proportional to 356,399.59, 534,599.16 and 143,167.45 is: 214,751.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,399.59 : 534,599.16 = 143,167.45 : x
  2. Step 2: Convert to fraction form
    356,399.59/534,599.16 = 143,167.45/x
  3. Step 3: Cross multiply
    356,399.59x = 534,599.16 × 143,167.45
  4. Step 4: Simplify right side
    356,399.59x = 76,537,198,509.34
  5. Step 5: Solve for x
    x = 76,537,198,509.34/356,399.59
  6. Step 6: Final answer
    x = 214,751.08

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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.