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Finding the Fourth Proportional to 432,090.30, 604,139.10 and 432,090.30

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Solution

The fourth proportional to 432,090.30, 604,139.10 and 432,090.30 is: 604,139.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,090.30 : 604,139.10 = 432,090.30 : x
  2. Step 2: Convert to fraction form
    432,090.30/604,139.10 = 432,090.30/x
  3. Step 3: Cross multiply
    432,090.30x = 604,139.10 × 432,090.30
  4. Step 4: Simplify right side
    432,090.30x = 261,042,644,960.73
  5. Step 5: Solve for x
    x = 261,042,644,960.73/432,090.30
  6. Step 6: Final answer
    x = 604,139.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.