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Finding the Fourth Proportional to 443,352.31, 610,537.53 and 385,182.13

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Solution

The fourth proportional to 443,352.31, 610,537.53 and 385,182.13 is: 530,431.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,352.31 : 610,537.53 = 385,182.13 : x
  2. Step 2: Convert to fraction form
    443,352.31/610,537.53 = 385,182.13/x
  3. Step 3: Cross multiply
    443,352.31x = 610,537.53 × 385,182.13
  4. Step 4: Simplify right side
    443,352.31x = 235,168,146,250.34
  5. Step 5: Solve for x
    x = 235,168,146,250.34/443,352.31
  6. Step 6: Final answer
    x = 530,431.76

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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.