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Finding the Fourth Proportional to 274,681.80, 412,022.70 and 116,915.40

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Solution

The fourth proportional to 274,681.80, 412,022.70 and 116,915.40 is: 175,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,681.80 : 412,022.70 = 116,915.40 : x
  2. Step 2: Convert to fraction form
    274,681.80/412,022.70 = 116,915.40/x
  3. Step 3: Cross multiply
    274,681.80x = 412,022.70 × 116,915.40
  4. Step 4: Simplify right side
    274,681.80x = 48,171,798,779.58
  5. Step 5: Solve for x
    x = 48,171,798,779.58/274,681.80
  6. Step 6: Final answer
    x = 175,373.10

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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.