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Finding the Fourth Proportional to 554,436.02, 765,122.25 and 299,787.14

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Solution

The fourth proportional to 554,436.02, 765,122.25 and 299,787.14 is: 413,706.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,436.02 : 765,122.25 = 299,787.14 : x
  2. Step 2: Convert to fraction form
    554,436.02/765,122.25 = 299,787.14/x
  3. Step 3: Cross multiply
    554,436.02x = 765,122.25 × 299,787.14
  4. Step 4: Simplify right side
    554,436.02x = 229,373,811,077.87
  5. Step 5: Solve for x
    x = 229,373,811,077.87/554,436.02
  6. Step 6: Final answer
    x = 413,706.55

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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.