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Finding the Fourth Proportional to 474,266.95, 654,493.47 and 259,402.40

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Solution

The fourth proportional to 474,266.95, 654,493.47 and 259,402.40 is: 357,978.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,266.95 : 654,493.47 = 259,402.40 : x
  2. Step 2: Convert to fraction form
    474,266.95/654,493.47 = 259,402.40/x
  3. Step 3: Cross multiply
    474,266.95x = 654,493.47 × 259,402.40
  4. Step 4: Simplify right side
    474,266.95x = 169,777,175,111.45
  5. Step 5: Solve for x
    x = 169,777,175,111.45/474,266.95
  6. Step 6: Final answer
    x = 357,978.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.