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Finding the Fourth Proportional to 384,252.77, 530,381.43 and 223,180.22

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Solution

The fourth proportional to 384,252.77, 530,381.43 and 223,180.22 is: 308,054.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,252.77 : 530,381.43 = 223,180.22 : x
  2. Step 2: Convert to fraction form
    384,252.77/530,381.43 = 223,180.22/x
  3. Step 3: Cross multiply
    384,252.77x = 530,381.43 × 223,180.22
  4. Step 4: Simplify right side
    384,252.77x = 118,370,641,579.41
  5. Step 5: Solve for x
    x = 118,370,641,579.41/384,252.77
  6. Step 6: Final answer
    x = 308,054.10

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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.