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Finding the Fourth Proportional to 400,941.60, 601,412.40 and 248,726.40

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Solution

The fourth proportional to 400,941.60, 601,412.40 and 248,726.40 is: 373,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,941.60 : 601,412.40 = 248,726.40 : x
  2. Step 2: Convert to fraction form
    400,941.60/601,412.40 = 248,726.40/x
  3. Step 3: Cross multiply
    400,941.60x = 601,412.40 × 248,726.40
  4. Step 4: Simplify right side
    400,941.60x = 149,587,141,167.36
  5. Step 5: Solve for x
    x = 149,587,141,167.36/400,941.60
  6. Step 6: Final answer
    x = 373,089.60

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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.