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Finding the Fourth Proportional to 404,540.40, 607,466.70 and 293,003.40

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Solution

The fourth proportional to 404,540.40, 607,466.70 and 293,003.40 is: 439,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,540.40 : 607,466.70 = 293,003.40 : x
  2. Step 2: Convert to fraction form
    404,540.40/607,466.70 = 293,003.40/x
  3. Step 3: Cross multiply
    404,540.40x = 607,466.70 × 293,003.40
  4. Step 4: Simplify right side
    404,540.40x = 177,989,808,486.78
  5. Step 5: Solve for x
    x = 177,989,808,486.78/404,540.40
  6. Step 6: Final answer
    x = 439,980.30

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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.