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Finding the Fourth Proportional to 404,915.20, 607,545.60 and 194,444.80

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Solution

The fourth proportional to 404,915.20, 607,545.60 and 194,444.80 is: 291,750.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,915.20 : 607,545.60 = 194,444.80 : x
  2. Step 2: Convert to fraction form
    404,915.20/607,545.60 = 194,444.80/x
  3. Step 3: Cross multiply
    404,915.20x = 607,545.60 × 194,444.80
  4. Step 4: Simplify right side
    404,915.20x = 118,134,082,682.88
  5. Step 5: Solve for x
    x = 118,134,082,682.88/404,915.20
  6. Step 6: Final answer
    x = 291,750.18

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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.