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Finding the Fourth Proportional to 401,117.04, 601,520.04 and 214,026.48

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Solution

The fourth proportional to 401,117.04, 601,520.04 and 214,026.48 is: 320,956.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,117.04 : 601,520.04 = 214,026.48 : x
  2. Step 2: Convert to fraction form
    401,117.04/601,520.04 = 214,026.48/x
  3. Step 3: Cross multiply
    401,117.04x = 601,520.04 × 214,026.48
  4. Step 4: Simplify right side
    401,117.04x = 128,741,216,810.66
  5. Step 5: Solve for x
    x = 128,741,216,810.66/401,117.04
  6. Step 6: Final answer
    x = 320,956.74

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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.