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Finding the Fourth Proportional to 604,695.80, 906,168.90 and 267,460.40

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Solution

The fourth proportional to 604,695.80, 906,168.90 and 267,460.40 is: 400,803.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,695.80 : 906,168.90 = 267,460.40 : x
  2. Step 2: Convert to fraction form
    604,695.80/906,168.90 = 267,460.40/x
  3. Step 3: Cross multiply
    604,695.80x = 906,168.90 × 267,460.40
  4. Step 4: Simplify right side
    604,695.80x = 242,364,296,461.56
  5. Step 5: Solve for x
    x = 242,364,296,461.56/604,695.80
  6. Step 6: Final answer
    x = 400,803.67

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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.