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Finding the Fourth Proportional to 615,733.40, 922,044.90 and 404,226.20

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Solution

The fourth proportional to 615,733.40, 922,044.90 and 404,226.20 is: 605,318.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,733.40 : 922,044.90 = 404,226.20 : x
  2. Step 2: Convert to fraction form
    615,733.40/922,044.90 = 404,226.20/x
  3. Step 3: Cross multiply
    615,733.40x = 922,044.90 × 404,226.20
  4. Step 4: Simplify right side
    615,733.40x = 372,714,706,156.38
  5. Step 5: Solve for x
    x = 372,714,706,156.38/615,733.40
  6. Step 6: Final answer
    x = 605,318.32

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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.