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Finding the Fourth Proportional to 590,915.40, 886,373.10 and 275,404.20

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Solution

The fourth proportional to 590,915.40, 886,373.10 and 275,404.20 is: 413,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,915.40 : 886,373.10 = 275,404.20 : x
  2. Step 2: Convert to fraction form
    590,915.40/886,373.10 = 275,404.20/x
  3. Step 3: Cross multiply
    590,915.40x = 886,373.10 × 275,404.20
  4. Step 4: Simplify right side
    590,915.40x = 244,110,874,507.02
  5. Step 5: Solve for x
    x = 244,110,874,507.02/590,915.40
  6. Step 6: Final answer
    x = 413,106.30

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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.