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Finding the Fourth Proportional to 382,368.96, 527,528.16 and 231,410.88

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Solution

The fourth proportional to 382,368.96, 527,528.16 and 231,410.88 is: 319,261.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,368.96 : 527,528.16 = 231,410.88 : x
  2. Step 2: Convert to fraction form
    382,368.96/527,528.16 = 231,410.88/x
  3. Step 3: Cross multiply
    382,368.96x = 527,528.16 × 231,410.88
  4. Step 4: Simplify right side
    382,368.96x = 122,075,755,730.38
  5. Step 5: Solve for x
    x = 122,075,755,730.38/382,368.96
  6. Step 6: Final answer
    x = 319,261.68

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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.