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Finding the Fourth Proportional to 713,912.16, 1,070,903.74 and 234,188.30

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Solution

The fourth proportional to 713,912.16, 1,070,903.74 and 234,188.30 is: 351,294.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,912.16 : 1,070,903.74 = 234,188.30 : x
  2. Step 2: Convert to fraction form
    713,912.16/1,070,903.74 = 234,188.30/x
  3. Step 3: Cross multiply
    713,912.16x = 1,070,903.74 × 234,188.30
  4. Step 4: Simplify right side
    713,912.16x = 250,793,126,334.24
  5. Step 5: Solve for x
    x = 250,793,126,334.24/713,912.16
  6. Step 6: Final answer
    x = 351,294.10

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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.