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Finding the Fourth Proportional to 705,521.10, 973,773.18 and 433,822.80

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Solution

The fourth proportional to 705,521.10, 973,773.18 and 433,822.80 is: 598,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,521.10 : 973,773.18 = 433,822.80 : x
  2. Step 2: Convert to fraction form
    705,521.10/973,773.18 = 433,822.80/x
  3. Step 3: Cross multiply
    705,521.10x = 973,773.18 × 433,822.80
  4. Step 4: Simplify right side
    705,521.10x = 422,445,007,512.50
  5. Step 5: Solve for x
    x = 422,445,007,512.50/705,521.10
  6. Step 6: Final answer
    x = 598,770.20

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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.