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Finding the Fourth Proportional to 410,837.60, 616,256.40 and 376,623.20

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Solution

The fourth proportional to 410,837.60, 616,256.40 and 376,623.20 is: 564,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,837.60 : 616,256.40 = 376,623.20 : x
  2. Step 2: Convert to fraction form
    410,837.60/616,256.40 = 376,623.20/x
  3. Step 3: Cross multiply
    410,837.60x = 616,256.40 × 376,623.20
  4. Step 4: Simplify right side
    410,837.60x = 232,096,457,388.48
  5. Step 5: Solve for x
    x = 232,096,457,388.48/410,837.60
  6. Step 6: Final answer
    x = 564,934.80

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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.