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Finding the Fourth Proportional to 674,618.66, 930,883.80 and 433,228.20

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Solution

The fourth proportional to 674,618.66, 930,883.80 and 433,228.20 is: 597,797.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,618.66 : 930,883.80 = 433,228.20 : x
  2. Step 2: Convert to fraction form
    674,618.66/930,883.80 = 433,228.20/x
  3. Step 3: Cross multiply
    674,618.66x = 930,883.80 × 433,228.20
  4. Step 4: Simplify right side
    674,618.66x = 403,285,113,083.16
  5. Step 5: Solve for x
    x = 403,285,113,083.16/674,618.66
  6. Step 6: Final answer
    x = 597,797.15

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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.