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Finding the Fourth Proportional to 356,504.72, 534,397.04 and 223,478.22

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Solution

The fourth proportional to 356,504.72, 534,397.04 and 223,478.22 is: 334,991.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,504.72 : 534,397.04 = 223,478.22 : x
  2. Step 2: Convert to fraction form
    356,504.72/534,397.04 = 223,478.22/x
  3. Step 3: Cross multiply
    356,504.72x = 534,397.04 × 223,478.22
  4. Step 4: Simplify right side
    356,504.72x = 119,426,098,155.08
  5. Step 5: Solve for x
    x = 119,426,098,155.08/356,504.72
  6. Step 6: Final answer
    x = 334,991.63

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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.