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Finding the Fourth Proportional to 373,787.40, 560,810.70 and 163,576.20

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Solution

The fourth proportional to 373,787.40, 560,810.70 and 163,576.20 is: 245,421.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,787.40 : 560,810.70 = 163,576.20 : x
  2. Step 2: Convert to fraction form
    373,787.40/560,810.70 = 163,576.20/x
  3. Step 3: Cross multiply
    373,787.40x = 560,810.70 × 163,576.20
  4. Step 4: Simplify right side
    373,787.40x = 91,735,283,225.34
  5. Step 5: Solve for x
    x = 91,735,283,225.34/373,787.40
  6. Step 6: Final answer
    x = 245,421.02

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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.